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run code in 300+ PHP versions simultaneously
<?php $pat = "[♥]+"; $sub = "heart"; echo mb_ereg_replace( $pat, $sub, "I $♥ PHP" );
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Warning: Undefined variable $♥ in /in/ZegKg on line 5 I PHP
Output for 5.0.4 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: ♥ in /in/ZegKg on line 5 I PHP
Output for 7.3.32 - 7.3.33
I PHP
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35
Notice: Undefined variable: ♥ in /in/ZegKg on line 5 Warning: mb_ereg_replace(): mbregex compile err: premature end of char-class in /in/ZegKg on line 5
Output for 5.0.0 - 5.0.3
Notice: Undefined variable: ♥ in /in/ZegKg on line 5 I PHP
Output for 4.3.4 - 4.3.11, 4.4.0 - 4.4.9
Notice: Undefined variable: ♥ in /in/ZegKg on line 5 Warning: mb_ereg_replace(): mbregex compile err: premature end of regular expression in /in/ZegKg on line 5
Output for 4.3.2 - 4.3.3
Fatal error: Call to undefined function: mb_ereg_replace() in /in/ZegKg on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: mb_ereg_replace() in /in/ZegKg on line 5

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