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<?php var_dump(preg_match('/./', array())); // false var_dump(preg_match('/./', "")); // int(0) var_dump(preg_match('/./', 1234567)); // int(1) ;;
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: preg_match(): Argument #2 ($subject) must be of type string, array given in /in/ZCD8h:3 Stack trace: #0 /in/ZCD8h(3): preg_match('/./', Array) #1 {main} thrown in /in/ZCD8h on line 3
Process exited with code 255.
Output for 4.3.3 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 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, 5.5.0 - 5.5.38, 5.6.0 - 5.6.30, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33
Warning: preg_match() expects parameter 2 to be string, array given in /in/ZCD8h on line 3 bool(false) int(0) int(1)
Output for 4.3.0 - 4.3.2
Notice: Array to string conversion in /in/ZCD8h on line 3 int(1) int(0) int(1)

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