3v4l.org

run code in 300+ PHP versions simultaneously
<?php $fp = fopen('php://temp', 'r+'); fwrite($fp, implode('","', array('jajaja', false, 'lala'))); rewind($fp); var_dump(fgets($fp));
Output for 5.1.4 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(16) "jajaja","","lala"
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.3
Warning: fopen(php://temp): failed to open stream: Inappropriate ioctl for device in /in/uQj6L on line 2 Warning: fwrite(): supplied argument is not a valid stream resource in /in/uQj6L on line 3 Warning: rewind(): supplied argument is not a valid stream resource in /in/uQj6L on line 4 Warning: fgets(): supplied argument is not a valid stream resource in /in/uQj6L on line 5 bool(false)
Output for 4.3.5 - 4.3.11, 4.4.0 - 4.4.9
Warning: fopen(php://temp): failed to open stream: Success in /in/uQj6L on line 2 Warning: fwrite(): supplied argument is not a valid stream resource in /in/uQj6L on line 3 Warning: rewind(): supplied argument is not a valid stream resource in /in/uQj6L on line 4 Warning: fgets(): supplied argument is not a valid stream resource in /in/uQj6L on line 5 bool(false)
Output for 4.3.3 - 4.3.4
Warning: fopen(php://temp): failed to open stream: Success in /in/uQj6L on line 2 Warning: fwrite(): supplied argument is not a valid stream resource in /in/uQj6L on line 3 Warning: rewind(): supplied argument is not a valid stream resource in /in/uQj6L on line 4 Warning: fgets(): supplied argument is not a valid stream resource in /in/uQj6L on line 5 NULL
Output for 4.3.2
Warning: fopen(php://temp): failed to open stream: Inappropriate ioctl for device in /in/uQj6L on line 2 Warning: fwrite(): supplied argument is not a valid stream resource in /in/uQj6L on line 3 Warning: rewind(): supplied argument is not a valid stream resource in /in/uQj6L on line 4 Warning: fgets(): supplied argument is not a valid stream resource in /in/uQj6L on line 5 NULL
Output for 4.3.0 - 4.3.1
Warning: fopen(php://temp) [http://www.php.net/function.fopen]: failed to create stream: Inappropriate ioctl for device in /in/uQj6L on line 2 Warning: fwrite(): supplied argument is not a valid stream resource in /in/uQj6L on line 3 Warning: rewind(): supplied argument is not a valid stream resource in /in/uQj6L on line 4 Warning: fgets(): supplied argument is not a valid stream resource in /in/uQj6L on line 5 NULL
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