featureExists() public static method

Tests if the named feature exists in the current environment.
public static featureExists ( string $featureID ) : boolean | null
$featureID string The identifier for the feature, e.g. 'db/pdo'.
return boolean | null Returns true or false, or null if an error occured.
Morse Class Documentation
示例#1
0
文件： TextTest.php 项目： drewm/morse 
 public function testIntl()
 {
     $result = Morse::featureExists('text/intl');
     $this->assertTrue($result === true || $result === false);
 }
示例#2
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 public function testPassword()
 {
     $result = Morse::featureExists('crypto/password');
     $this->assertTrue($result === true || $result === false);
 }
示例#3
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文件： DataTest.php 项目： drewm/morse 
 public function testJson()
 {
     $result = Morse::featureExists('data/json');
     $this->assertTrue($result === true || $result === false);
 }
示例#4
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文件： FileTest.php 项目： drewm/morse 
 public function testZip()
 {
     $result = Morse::featureExists('file/zip');
     $this->assertTrue($result === true || $result === false);
 }
示例#5
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文件： ImageTest.php 项目： drewm/morse 
 public function testImagick()
 {
     $result = Morse::featureExists('image/imagick');
     $this->assertTrue($result === true || $result === false);
 }
示例#6
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文件： DbTest.php 项目： drewm/morse 
 public function testPdo_Pgsql()
 {
     $result = Morse::featureExists('db/pdo-pgsql');
     $this->assertTrue($result === true || $result === false);
 }
示例#7
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文件： CacheTest.php 项目： drewm/morse 
 public function testOpcache()
 {
     $result = Morse::featureExists('cache/opcache');
     $this->assertTrue($result === true || $result === false);
 }
示例#8
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 public function testLdap()
 {
     $result = Morse::featureExists('protocol/ldap');
     $this->assertTrue($result === true || $result === false);
 }
示例#9
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 public function testProc_open()
 {
     $result = Morse::featureExists('system/proc_open');
     $this->assertTrue($result === true || $result === false);
 }
示例#10
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文件： HttpTest.php 项目： drewm/morse 
 public function testOpenssl()
 {
     $result = Morse::featureExists('http/openssl');
     $this->assertTrue($result === true || $result === false);
 }
示例#11
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 public function testMultibyte()
 {
     $result = Morse::featureExists('number/bigint');
     $this->assertTrue($result === true || $result === false);
 }