3v4l.org

run code in 300+ PHP versions simultaneously
<?php $result = strpos($text, "\nsomething in the middle"); echo 'This works: '; var_dump($result); echo "\n<br>\n"; $buggy_result = strpos($text, "something in the middle\n"); echo 'This does not: '; var_dump($buggy_result);
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined variable $text in /in/tvjlY on line 3 Deprecated: strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /in/tvjlY on line 3 This works: bool(false) <br> Warning: Undefined variable $text in /in/tvjlY on line 8 Deprecated: strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /in/tvjlY on line 8 This does not: bool(false)
Output for 8.0.0 - 8.0.30
Warning: Undefined variable $text in /in/tvjlY on line 3 This works: bool(false) <br> Warning: Undefined variable $text in /in/tvjlY on line 8 This does not: bool(false)
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, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: text in /in/tvjlY on line 3 This works: bool(false) <br> Notice: Undefined variable: text in /in/tvjlY on line 8 This does not: bool(false)
Output for 7.3.32 - 7.3.33
This works: bool(false) <br> This does not: bool(false)
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
Notice: Undefined variable: text in /in/tvjlY on line 3 This works: bool(false) <br> Notice: Undefined variable: text in /in/tvjlY on line 8 This does not: bool(false)
preferences:
258.14 ms | 402 KiB | 357 Q