Get string presentation for an array
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public static arrayString ( array |
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| $list | array |
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| return | string | PHP array names string |
/**
* Get string presentation of a variable
*
* @param array<array|string|integer> $var variable parsed path
* @param array<array|string|integer> $context current compile context
* @param array<string> $lookup extra lookup string as valid PHP variable name
*
* @return array<string> variable names
*
* @expect array('$in', 'this') when input array('flags'=>array('spvar'=>true,'debug'=>0)), array(null)
* @expect array('((isset($in[\'true\']) && is_array($in)) ? $in[\'true\'] : null)', '[true]') when input array('flags'=>array('spvar'=>true,'debug'=>0,'prop'=>0,'method'=>0,'mustlok'=>0,'mustlam'=>0, 'lambda'=>0)), array('true')
* @expect array('((isset($in[\'false\']) && is_array($in)) ? $in[\'false\'] : null)', '[false]') when input array('flags'=>array('spvar'=>true,'debug'=>0,'prop'=>0,'method'=>0,'mustlok'=>0,'mustlam'=>0, 'lambda'=>0)), array('false')
* @expect array('true', 'true') when input array('flags'=>array('spvar'=>true,'debug'=>0)), array(-1, 'true')
* @expect array('false', 'false') when input array('flags'=>array('spvar'=>true,'debug'=>0)), array(-1, 'false')
* @expect array('((isset($in[\'2\']) && is_array($in)) ? $in[\'2\'] : null)', '[2]') when input array('flags'=>array('spvar'=>true,'debug'=>0,'prop'=>0,'method'=>0,'mustlok'=>0,'mustlam'=>0, 'lambda'=>0)), array('2')
* @expect array('2', '2') when input array('flags'=>array('spvar'=>true,'debug'=>0,'prop'=>0,'method'=>0)), array(-1, '2')
* @expect array('((isset($in[\'@index\']) && is_array($in)) ? $in[\'@index\'] : null)', '[@index]') when input array('flags'=>array('spvar'=>false,'debug'=>0,'prop'=>0,'method'=>0,'mustlok'=>0,'mustlam'=>0, 'lambda'=>0)), array('@index')
* @expect array("((isset(\$cx['sp_vars']['index']) && is_array(\$cx['sp_vars'])) ? \$cx['sp_vars']['index'] : null)", '@[index]') when input array('flags'=>array('spvar'=>true,'debug'=>0,'prop'=>0,'method'=>0,'mustlok'=>0,'mustlam'=>0, 'lambda'=>0)), array('@index')
* @expect array("((isset(\$cx['sp_vars']['key']) && is_array(\$cx['sp_vars'])) ? \$cx['sp_vars']['key'] : null)", '@[key]') when input array('flags'=>array('spvar'=>true,'debug'=>0,'prop'=>0,'method'=>0,'mustlok'=>0,'mustlam'=>0, 'lambda'=>0)), array('@key')
* @expect array("((isset(\$cx['sp_vars']['first']) && is_array(\$cx['sp_vars'])) ? \$cx['sp_vars']['first'] : null)", '@[first]') when input array('flags'=>array('spvar'=>true,'debug'=>0,'prop'=>0,'method'=>0,'mustlok'=>0,'mustlam'=>0, 'lambda'=>0)), array('@first')
* @expect array("((isset(\$cx['sp_vars']['last']) && is_array(\$cx['sp_vars'])) ? \$cx['sp_vars']['last'] : null)", '@[last]') when input array('flags'=>array('spvar'=>true,'debug'=>0,'prop'=>0,'method'=>0,'mustlok'=>0,'mustlam'=>0, 'lambda'=>0)), array('@last')
* @expect array('((isset($in[\'"a"\']) && is_array($in)) ? $in[\'"a"\'] : null)', '["a"]') when input array('flags'=>array('spvar'=>true,'debug'=>0,'prop'=>0,'method'=>0,'mustlok'=>0,'mustlam'=>0, 'lambda'=>0)), array('"a"')
* @expect array('"a"', '"a"') when input array('flags'=>array('spvar'=>true,'debug'=>0)), array(-1, '"a"')
* @expect array('((isset($in[\'a\']) && is_array($in)) ? $in[\'a\'] : null)', '[a]') when input array('flags'=>array('spvar'=>true,'debug'=>0,'prop'=>0,'method'=>0,'mustlok'=>0,'mustlam'=>0, 'lambda'=>0)), array('a')
* @expect array('((isset($cx[\'scopes\'][count($cx[\'scopes\'])-1][\'a\']) && is_array($cx[\'scopes\'][count($cx[\'scopes\'])-1])) ? $cx[\'scopes\'][count($cx[\'scopes\'])-1][\'a\'] : null)', '../[a]') when input array('flags'=>array('spvar'=>true,'debug'=>0,'prop'=>0,'method'=>0,'mustlok'=>0,'mustlam'=>0, 'lambda'=>0)), array(1,'a')
* @expect array('((isset($cx[\'scopes\'][count($cx[\'scopes\'])-3][\'a\']) && is_array($cx[\'scopes\'][count($cx[\'scopes\'])-3])) ? $cx[\'scopes\'][count($cx[\'scopes\'])-3][\'a\'] : null)', '../../../[a]') when input array('flags'=>array('spvar'=>true,'debug'=>0,'prop'=>0,'method'=>0,'mustlok'=>0,'mustlam'=>0, 'lambda'=>0)), array(3,'a')
* @expect array('((isset($in[\'id\']) && is_array($in)) ? $in[\'id\'] : null)', 'this.[id]') when input array('flags'=>array('spvar'=>true,'debug'=>0,'prop'=>0,'method'=>0,'mustlok'=>0,'mustlam'=>0, 'lambda'=>0)), array(null, 'id')
* @expect array('LR::v($cx, $in, isset($in) ? $in : null, array(\'id\'))', 'this.[id]') when input array('flags'=>array('prop'=>true,'spvar'=>true,'debug'=>0,'method'=>0,'mustlok'=>0,'mustlam'=>0, 'lambda'=>0,'standalone'=>0), 'runtime' => 'Runtime'), array(null, 'id')
*/
protected static function getVariableName(&$context, $var, $lookup = null, $args = null)
{
if (isset($var[0]) && $var[0] === Parser::LITERAL) {
if ($var[1] === "undefined") {
$var[1] = "null";
}
return array($var[1], preg_replace('/\'(.*)\'/', '$1', $var[1]));
}
list($levels, $spvar, $var) = Expression::analyze($context, $var);
$exp = Expression::toString($levels, $spvar, $var);
$base = $spvar ? "\$cx['sp_vars']" : '$in';
// change base when trace to parent
if ($levels > 0) {
if ($spvar) {
$base .= str_repeat("['_parent']", $levels);
} else {
$base = "\$cx['scopes'][count(\$cx['scopes'])-{$levels}]";
}
}
if (count($var) == 0 || $var[0] === null && count($var) == 1) {
return array($base, $exp);
}
if ($var[0] === null) {
array_shift($var);
}
// To support recursive context lookup, instance properties + methods and lambdas
// the only way is using slower rendering time variable resolver.
if ($context['flags']['prop'] || $context['flags']['method'] || $context['flags']['mustlok'] || $context['flags']['mustlam'] || $context['flags']['lambda']) {
$L = $lookup ? ", {$lookup['0']}" : '';
$A = $args ? ",{$args['0']}" : '';
$E = $args ? ' ' . implode(' ', $args[1]) : '';
return array(static::getFuncName($context, 'v', $exp) . "\$cx, \$in, isset({$base}) ? {$base} : null, array(" . Expression::listString($var) . "{$L}){$A})", $lookup ? "lookup {$exp} {$lookup['1']}" : "{$exp}{$E}");
}
$n = Expression::arrayString($var);
array_pop($var);
$L = $lookup ? "[{$lookup[0]}]" : '';
$p = $lookup ? $n : (count($var) ? Expression::arrayString($var) : '');
return array("((isset({$base}{$n}{$L}) && is_array({$base}{$p})) ? {$base}{$n}{$L} : " . ($context['flags']['debug'] ? static::getFuncName($context, 'miss', '') . "\$cx, '{$exp}')" : 'null') . ')', $lookup ? "lookup {$exp} {$lookup['1']}" : $exp);
}
