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run code in 300+ PHP versions simultaneously
<?php $file = new SplFileObject('php://memory', "w+"); $file->fwrite('non-blank line1' . PHP_EOL); $file->fwrite('non-blank line2' . PHP_EOL); $file->rewind(); $file->setFlags( SplFileObject::SKIP_EMPTY | SplFileObject::DROP_NEW_LINE ); foreach ($file as $line) { print "Currently on key " . $file->key() . ": " . PHP_EOL; var_dump($line); }
Output for 5.5.21 - 5.5.38, 5.6.5 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
Currently on key 0: string(15) "non-blank line1" Currently on key 1: string(15) "non-blank line2" Currently on key 2: bool(false)
Output for 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.20, 5.6.0 - 5.6.4
Currently on key 0: string(15) "non-blank line1" Currently on key 1: string(15) "non-blank line2"
Output for 5.1.4 - 5.1.6
Fatal error: Undefined class constant 'SKIP_EMPTY' in /in/Ad364 on line 7
Process exited with code 255.
Output for 5.1.0 - 5.1.3
Fatal error: Uncaught exception 'RuntimeException' with message 'SplFileObject::__construct(php://memory): failed to open stream: Inappropriate ioctl for device' in /in/Ad364:3 Stack trace: #0 /in/Ad364(3): SplFileObject->__construct('php://memory', 'w+') #1 {main} thrown in /in/Ad364 on line 3
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Fatal error: Class 'SplFileObject' not found in /in/Ad364 on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '|', expecting '(' in /in/Ad364 on line 7
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected '|', expecting '(' in /in/Ad364 on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'('' in /in/Ad364 on line 7
Process exited with code 255.
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