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run code in 300+ PHP versions simultaneously
<?php echo mb_detect_encoding('garcía'); print "\n"; echo mb_detect_encoding('García'); print "\n"; echo is_utf8('garcía'); print "\n"; echo is_utf8('García'); print "\n"; echo is_utf82('garcía'); print "\n"; echo is_utf82('García'); print "\n"; echo is_utf83('garcía'); print "\n"; echo is_utf83('García'); function is_utf8($str) { return (bool) preg_match('//u', $str); } function is_utf82($str) { return (bool) preg_match('!!u', $str); } function is_utf83($str) { return ! (false === mb_detect_encoding($string, 'UTF-8', true)); }
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
UTF-8 UTF-8 1 1 1 1 Warning: Undefined variable $string in /in/ePkCf on line 30 Deprecated: mb_detect_encoding(): Passing null to parameter #1 ($string) of type string is deprecated in /in/ePkCf on line 30 1 Warning: Undefined variable $string in /in/ePkCf on line 30 Deprecated: mb_detect_encoding(): Passing null to parameter #1 ($string) of type string is deprecated in /in/ePkCf on line 30 1
Output for 8.0.0 - 8.0.30
UTF-8 UTF-8 1 1 1 1 Warning: Undefined variable $string in /in/ePkCf on line 30 1 Warning: Undefined variable $string in /in/ePkCf on line 30 1
Output for 5.0.4 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33
UTF-8 UTF-8 1 1 1 1 Notice: Undefined variable: string in /in/ePkCf on line 30 1 Notice: Undefined variable: string in /in/ePkCf on line 30 1
Output for 7.3.32 - 7.3.33
UTF-8 UTF-8 1 1 1 1 1 1
Output for 4.3.3 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
UTF-8 UTF-8 1 1 1 1 Notice: Undefined variable: string in /in/ePkCf on line 30 1 Notice: Undefined variable: string in /in/ePkCf on line 30 1
Output for 4.3.0 - 4.3.2
UTF-8 UTF-8 1 1 1 1 Notice: Undefined variable: string in /in/ePkCf on line 30 Warning: Wrong parameter count for mb_detect_encoding() in /in/ePkCf on line 30 1 Notice: Undefined variable: string in /in/ePkCf on line 30 Warning: Wrong parameter count for mb_detect_encoding() in /in/ePkCf on line 30 1
preferences:
263.72 ms | 402 KiB | 310 Q