3v4l.org

run code in 300+ PHP versions simultaneously
<?php $regex = '/\\G"((?:[^"\\\\\r\n]|\\\\.|\\\\\r\n|\\\\[\n\r\f])*)"|\'((?:[^\'\\\\\r\n]|\\\\.|\\\\\r\n|\\\\[\n\r\f])*)\'/'; $image = '"data:image/gif;base64,R0lGODlhKAAoAIABAAAAAP///yH/C05FVFNDQVBFMi4wAwEAAAAh+QQJAQABACwAAAAAKAAoAAACkYwNqXrdC52DS06a7MFZI+4FHBCKoDeWKXqymPqGqxvJrXZbMx7Ttc+w9XgU2FB3lOyQRWET2IFGiU9m1frDVpxZZc6bfHwv4c1YXP6k1Vdy292Fb6UkuvFtXpvWSzA+HycXJHUXiGYIiMg2R6W459gnWGfHNdjIqDWVqemH2ekpObkpOlppWUqZiqr6edqqWQAAIfkECQEAAQAsAAAAACgAKAAAApSMgZnGfaqcg1E2uuzDmmHUBR8Qil95hiPKqWn3aqtLsS18y7G1SzNeowWBENtQd+T1JktP05nzPTdJZlR6vUxNWWjV+vUWhWNkWFwxl9VpZRedYcflIOLafaa28XdsH/ynlcc1uPVDZxQIR0K25+cICCmoqCe5mGhZOfeYSUh5yJcJyrkZWWpaR8doJ2o4NYq62lAAACH5BAkBAAEALAAAAAAoACgAAAKVDI4Yy22ZnINRNqosw0Bv7i1gyHUkFj7oSaWlu3ovC8GxNso5fluz3qLVhBVeT/Lz7ZTHyxL5dDalQWPVOsQWtRnuwXaFTj9jVVh8pma9JjZ4zYSj5ZOyma7uuolffh+IR5aW97cHuBUXKGKXlKjn+DiHWMcYJah4N0lYCMlJOXipGRr5qdgoSTrqWSq6WFl2ypoaUAAAIfkECQEAAQAsAAAAACgAKAAAApaEb6HLgd/iO7FNWtcFWe+ufODGjRfoiJ2akShbueb0wtI50zm02pbvwfWEMWBQ1zKGlLIhskiEPm9R6vRXxV4ZzWT2yHOGpWMyorblKlNp8HmHEb/lCXjcW7bmtXP8Xt229OVWR1fod2eWqNfHuMjXCPkIGNileOiImVmCOEmoSfn3yXlJWmoHGhqp6ilYuWYpmTqKUgAAIfkECQEAAQAsAAAAACgAKAAAApiEH6kb58biQ3FNWtMFWW3eNVcojuFGfqnZqSebuS06w5V80/X02pKe8zFwP6EFWOT1lDFk8rGERh1TTNOocQ61Hm4Xm2VexUHpzjymViHrFbiELsefVrn6XKfnt2Q9G/+Xdie499XHd2g4h7ioOGhXGJboGAnXSBnoBwKYyfioubZJ2Hn0RuRZaflZOil56Zp6iioKSXpUAAAh+QQJAQABACwAAAAAKAAoAAACkoQRqRvnxuI7kU1a1UU5bd5tnSeOZXhmn5lWK3qNTWvRdQxP8qvaC+/yaYQzXO7BMvaUEmJRd3TsiMAgswmNYrSgZdYrTX6tSHGZO73ezuAw2uxuQ+BbeZfMxsexY35+/Qe4J1inV0g4x3WHuMhIl2jXOKT2Q+VU5fgoSUI52VfZyfkJGkha6jmY+aaYdirq+lQAACH5BAkBAAEALAAAAAAoACgAAAKWBIKpYe0L3YNKToqswUlvznigd4wiR4KhZrKt9Upqip61i9E3vMvxRdHlbEFiEXfk9YARYxOZZD6VQ2pUunBmtRXo1Lf8hMVVcNl8JafV38aM2/Fu5V16Bn63r6xt97j09+MXSFi4BniGFae3hzbH9+hYBzkpuUh5aZmHuanZOZgIuvbGiNeomCnaxxap2upaCZsq+1kAACH5BAkBAAEALAAAAAAoACgAAAKXjI8By5zf4kOxTVrXNVlv1X0d8IGZGKLnNpYtm8Lr9cqVeuOSvfOW79D9aDHizNhDJidFZhNydEahOaDH6nomtJjp1tutKoNWkvA6JqfRVLHU/QUfau9l2x7G54d1fl995xcIGAdXqMfBNadoYrhH+Mg2KBlpVpbluCiXmMnZ2Sh4GBqJ+ckIOqqJ6LmKSllZmsoq6wpQAAAh+QQJAQABACwAAAAAKAAoAAAClYx/oLvoxuJDkU1a1YUZbJ59nSd2ZXhWqbRa2/gF8Gu2DY3iqs7yrq+xBYEkYvFSM8aSSObE+ZgRl1BHFZNr7pRCavZ5BW2142hY3AN/zWtsmf12p9XxxFl2lpLn1rseztfXZjdIWIf2s5dItwjYKBgo9yg5pHgzJXTEeGlZuenpyPmpGQoKOWkYmSpaSnqKileI2FAAACH5BAkBAAEALAAAAAAoACgAAAKVjB+gu+jG4kORTVrVhRlsnn2dJ3ZleFaptFrb+CXmO9OozeL5VfP99HvAWhpiUdcwkpBH3825AwYdU8xTqlLGhtCosArKMpvfa1mMRae9VvWZfeB2XfPkeLmm18lUcBj+p5dnN8jXZ3YIGEhYuOUn45aoCDkp16hl5IjYJvjWKcnoGQpqyPlpOhr3aElaqrq56Bq7VAAAOw==");'; $a = preg_match($regex, $image, $b); //var_dump($a); var_dump($b);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0070.01416.48
8.3.50.0130.01018.43
8.3.40.0140.00018.96
8.3.30.0120.00618.88
8.3.20.0040.00420.29
8.3.10.0060.00320.78
8.3.00.0040.00723.68
8.2.180.0040.01116.88
8.2.170.0070.01122.96
8.2.160.0000.01420.64
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0090.00020.96
8.2.120.0030.00526.35
8.2.110.0090.00020.47
8.2.100.0080.00417.84
8.2.90.0050.00319.22
8.2.80.0040.00417.97
8.2.70.0060.00317.63
8.2.60.0000.00918.03
8.2.50.0040.00418.09
8.2.40.0040.00422.36
8.2.30.0040.00419.60
8.2.20.0050.00317.87
8.2.10.0040.00418.02
8.2.00.0060.00218.01
8.1.280.0150.00025.92
8.1.270.0000.01523.99
8.1.260.0030.00526.35
8.1.250.0050.00328.09
8.1.240.0060.00322.44
8.1.230.0100.00322.67
8.1.220.0090.00017.77
8.1.210.0040.00418.97
8.1.200.0030.00617.38
8.1.190.0040.00417.35
8.1.180.0040.00418.10
8.1.170.0000.00818.84
8.1.160.0040.00420.75
8.1.150.0000.00718.96
8.1.140.0040.00419.54
8.1.130.0030.00320.18
8.1.120.0030.00517.56
8.1.110.0040.00417.49
8.1.100.0070.00017.68
8.1.90.0050.00217.53
8.1.80.0030.00517.43
8.1.70.0050.00317.66
8.1.60.0080.00017.77
8.1.50.0060.00317.58
8.1.40.0060.00317.58
8.1.30.0040.00417.69
8.1.20.0040.00417.57
8.1.10.0050.00217.61
8.1.00.0000.00817.66
8.0.300.0040.00420.10
8.0.290.0040.00416.75
8.0.280.0000.00718.38
8.0.270.0000.00717.32
8.0.260.0030.00318.65
8.0.250.0070.00017.08
8.0.240.0030.00316.97
8.0.230.0000.00716.98
8.0.220.0030.00517.00
8.0.210.0000.00817.01
8.0.200.0000.00717.00
8.0.190.0050.00217.09
8.0.180.0070.00017.09
8.0.170.0090.00016.95
8.0.160.0000.00717.00
8.0.150.0000.00716.95
8.0.140.0090.00316.91
8.0.130.0000.00613.46
8.0.120.0050.00317.00
8.0.110.0040.00416.93
8.0.100.0040.00417.04
8.0.90.0040.00417.05
8.0.80.0040.01417.01
8.0.70.0000.00717.09
8.0.60.0000.00716.91
8.0.50.0040.00416.87
8.0.30.0100.00917.19
8.0.20.0120.01017.40
8.0.10.0070.00017.10
8.0.00.0110.00717.00
7.4.330.0030.00316.63
7.4.320.0030.00316.64
7.4.300.0000.00616.80
7.4.290.0000.00716.66
7.4.280.0060.00316.76
7.4.270.0020.00516.86
7.4.260.0040.00416.64
7.4.250.0090.00016.75
7.4.240.0050.00216.79
7.4.230.0000.00816.70
7.4.220.0070.01116.89
7.4.210.0100.00816.72
7.4.200.0000.00716.51
7.4.160.0040.01216.81
7.4.150.0130.00717.40
7.4.140.0120.00717.86
7.4.130.0100.00816.79
7.4.120.0090.00916.75
7.4.110.0070.01416.71
7.4.100.0080.01316.74
7.4.90.0120.00916.59
7.4.80.0130.00919.39
7.4.70.0160.00016.73
7.4.60.0140.00716.57
7.4.50.0110.00316.45
7.4.40.0170.00416.51
7.4.30.0210.00016.79
7.4.00.0080.00915.15
7.3.330.0000.00513.26
7.3.320.0050.00013.27
7.3.310.0000.00716.42
7.3.300.0030.00316.34
7.3.290.0050.00216.28
7.3.280.0100.00816.32
7.3.270.0110.01517.40
7.3.260.0060.01316.30
7.3.250.0120.00616.41
7.3.240.0080.00916.39
7.3.230.0120.00616.43
7.3.210.0150.00316.34
7.3.200.0070.01019.39
7.3.190.0100.00716.36
7.3.180.0060.00916.32
7.3.170.0080.00816.45
7.3.160.0050.01116.72
7.3.120.0040.01614.88
7.3.110.0050.01214.86
7.3.100.0050.00614.55
7.3.90.0030.01415.07
7.3.80.0070.00914.97
7.3.70.0030.01214.91
7.3.60.0070.00714.78
7.3.50.0100.00514.78
7.3.40.0060.00714.79
7.3.30.0080.00814.80
7.3.20.0080.00416.78
7.3.10.0080.00716.75
7.3.00.0070.00616.71
7.2.330.0130.00616.58
7.2.320.0090.00916.65
7.2.310.0100.00716.66
7.2.300.0100.00716.63
7.2.290.0100.00716.57
7.2.250.0080.01115.33
7.2.240.0070.01015.12
7.2.230.0120.00514.99
7.2.220.0110.00515.14
7.2.210.0020.01515.12
7.2.200.0070.00714.94
7.2.190.0050.01015.06
7.2.180.0060.01115.02
7.2.170.0040.01115.18
7.2.160.0080.00915.13
7.2.150.0120.00816.43
7.2.140.0110.00416.98
7.2.130.0040.01016.92
7.2.120.0070.01016.69
7.2.110.0070.00816.79
7.2.100.0070.01016.75
7.2.90.0020.01316.99
7.2.80.0030.01216.86
7.2.70.0090.00616.92
7.2.60.0040.01116.76
7.2.50.0040.01116.79
7.2.40.0040.01416.71
7.2.30.0110.00616.88
7.2.20.0060.00616.84
7.2.10.0060.00916.68
7.2.00.0060.00917.94
7.1.330.0100.00415.90
7.1.320.0110.00415.83
7.1.310.0030.01316.01
7.1.300.0050.01015.92
7.1.290.0080.00615.81
7.1.280.0050.00615.89
7.1.270.0090.00515.84
7.1.260.0030.01115.62
7.1.250.0050.01015.88
7.1.200.0140.00015.90
7.1.100.0030.00918.17
7.1.70.0000.00817.07
7.1.60.0170.00719.40
7.1.50.0170.00317.09
7.1.00.0070.07322.44
7.0.200.0370.00414.64
7.0.60.0400.07719.82
7.0.50.0000.04717.84
7.0.40.0070.09320.28
7.0.30.0370.04020.22
7.0.20.0330.08320.08
7.0.10.0130.04320.13
7.0.00.0070.06320.24
5.6.280.0030.06323.11
5.6.210.0070.06322.90
5.6.200.0030.04720.51
5.6.190.0030.09022.96
5.6.180.0270.04722.92
5.6.170.0200.04322.79
5.6.160.0100.04322.99
5.6.150.0130.06720.47
5.6.140.0100.07320.36
5.6.130.0130.07720.48
5.6.120.0070.07323.38
5.6.110.0030.04723.40
5.6.100.0030.04723.23
5.6.90.0070.08323.23
5.6.80.0100.06322.68
5.5.350.0130.09022.77
5.5.340.0100.06320.20
5.5.330.0130.06722.56
5.5.320.0200.04022.51
5.5.310.0230.06322.46
5.5.300.0100.06320.16
5.5.290.0100.03320.26
5.5.280.0100.08323.06
5.5.270.0070.09023.12
5.5.260.0130.08323.10
5.5.250.0130.07722.87
5.5.240.0130.03322.38

preferences:
70.87 ms | 400 KiB | 5 Q