function showAssertError($file, $line, $assertion_string, $description = null)
{
global $errors_total;
$errors_total++;
// HTML блок значений каждой переменной из $assertion_string.
// ==========================================================
$variables_html = '';
$var_names = getVarNames($assertion_string);
if (!empty($var_names)) {
foreach ($var_names as $name) {
$clean_name = str_replace('$', '', $name);
global ${$clean_name};
if (isset(${$clean_name})) {
$value = ${$clean_name};
} else {
$value = 'not set (or unknown value)';
}
if (empty($value)) {
if (is_null($value)) {
$value = 'null';
} else {
$value = 'empty';
}
}
$variables_html .= "<p><b>{$name}</b> is <b>{$value}</b></p>";
}
}
// HTML блок описания.
// ===================
if (!empty($description)) {
$description_html = "<p><i>{$description}</i></p>";
} else {
$description_html = '';
}
// HTML блок строки утверждения.
// =============================
if (!empty($assertion_string)) {
$assertion_html = "<p>Incorrect assertion: <b>{$assertion_string}</b></p>";
} else {
$assertion_html = '';
}
$html = "\n\t\t<hr>\n\t\t<p>{$file}:{$line}</p>\n\t\t{$description_html}\n\t\t{$assertion_html}\n\t\t{$variables_html}\n\t\t<hr>\n\t\t";
echo $html;
}
<?php require_once 'string_utils.php'; $mix = '$var $var2, var $var1 var1 $1var 1var $var[0] foo($var) $var(foo) $v1ar v1ar'; $names = getVarNames($mix); assert(sizeof($names) == 7); assert($names[3] == '$var'); assert($names[6] == '$v1ar'); $comparation = '$var1 == $var2 $var1 <= $var2, $var1===$var2 $var1= $var2;'; $names = getVarNames($comparation); assert(sizeof($names) == 8); assert($names[3] == '$var2'); assert($names[7] == '$var2'); $comparation = '($var1 + $var2) == $var++;'; $names = getVarNames($comparation); assert(sizeof($names) == 3); assert($names[0] == '$var1'); assert($names[2] == '$var'); $incorrect = '$var > var2'; $names = getVarNames($incorrect); assert(sizeof($names) == 1);
<?php
function getVarNames($string)
{
$var_name_pattern = "@[\$]{1}[A-Za-z]{1}[A-Za-z0-9_]*\\b@";
$names;
$is_finded = preg_match_all($var_name_pattern, $string, $names);
if ($is_finded && !empty($names)) {
return $names[0];
} else {
return null;
}
}
$mix = '$var $var2, var $var1 var1 $1var 1var $var[0] foo($var) $var(foo)
$v1ar v1ar';
$comparation = '$var1 == $var2 $var1 <= $var2, $var1===$var2 $var1= $var2;';
$names = getVarNames($comparation);
print_r($names);
protected function expandAssertion($assertion)
{
if (!empty($assertion)) {
$names = getVarNames($assertion);
$left_operand = $names[0];
// $var1
$right_operand = $names[1];
// $var2
$left_operand = str_replace('$', '', $left_operand);
// var1
$right_operand = str_replace('$', '', $right_operand);
// var2
// вернуть массив.
$this->assert_string = $assertion;
// 3.3
$this->left_operand_value = ${$left_operand};
$this->right_operand_value = ${$right_operand};
}
}