3v4l.org

run code in 300+ PHP versions simultaneously
<?php function checkOperation(string $operation): ?string { if (!preg_match('/^\d+([a-zA-Z]+)\+\d+([a-zA-Z]+)$/', $operation, $matches)) { return null; } if (array_count_values(str_split($matches[1])) != array_count_values(str_split($matches[2]))) { return null; } return $operation; } var_dump(checkOperation('5p+3p')); echo PHP_EOL; var_dump(checkOperation('5AB+3AB')); echo PHP_EOL; var_dump(checkOperation('5AB+3BA')); echo PHP_EOL; var_dump(checkOperation('5p+3q'));

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)
8.5.00.0170.01220.03
8.4.150.0020.00114.05
8.4.140.0110.01017.63
8.4.130.0060.00217.96
8.4.120.0100.00920.52
8.4.110.0100.00922.27
8.4.100.0090.01218.08
8.4.90.0090.01118.40
8.4.80.0110.00817.89
8.4.70.0120.00918.09
8.4.60.0160.00418.75
8.4.50.0120.01022.20
8.4.40.0030.01617.84
8.4.30.0150.00622.09
8.4.20.0130.00718.88
8.4.10.0080.01219.77
8.3.280.0110.00918.68
8.3.270.0130.00616.67
8.3.260.0100.00816.69
8.3.250.0110.00818.75
8.3.240.0090.01017.12
8.3.230.0120.00816.69
8.3.220.0110.00819.06
8.3.210.0120.00518.74
8.3.200.0070.00216.68
8.3.190.0120.00716.82
8.3.180.0110.00716.75
8.3.170.0120.00616.61
8.3.160.0110.00717.11
8.3.150.0070.01317.07
8.3.140.0040.00417.01
8.3.130.0100.00018.48
8.3.120.0130.00719.01
8.3.110.0030.00620.94
8.3.100.0040.00424.06
8.3.90.0070.00026.77
8.3.80.0110.00017.97
8.3.70.0100.01016.88
8.3.60.0090.00618.55
8.3.50.0080.00618.42
8.3.40.0110.00718.96
8.3.30.0090.00918.96
8.3.20.0050.00220.76
8.3.10.0000.00823.57
8.3.00.0090.00020.61
8.2.290.0110.00920.28
8.2.280.0120.00618.87
8.2.270.0150.00019.20
8.2.260.0060.00916.88
8.2.250.0030.00618.36
8.2.240.0110.00416.76
8.2.230.0070.00322.58
8.2.220.0030.00637.54
8.2.210.0080.00026.77
8.2.200.0060.00318.42
8.2.190.0060.01616.63
8.2.180.0090.00918.54
8.2.170.0080.00822.96
8.2.160.0070.00722.25
8.2.150.0080.00024.18
8.2.140.0070.00024.66
8.2.130.0040.00419.27
8.2.120.0080.00026.35
8.2.110.0060.00320.33
8.2.100.0090.00317.84
8.2.90.0000.00720.54
8.2.80.0000.00817.97
8.2.70.0000.00817.93
8.2.60.0080.00017.95
8.2.50.0040.00418.10
8.2.40.0000.00819.37
8.2.30.0040.00419.16
8.2.20.0070.00018.08
8.2.10.0000.00719.30
8.2.00.0050.00218.18
8.1.330.0070.01022.09
8.1.320.0100.00521.78
8.1.310.0100.00718.52
8.1.300.0060.01319.75
8.1.290.0060.00318.88
8.1.280.0040.01125.92
8.1.270.0040.00420.79
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00723.92
8.1.230.0070.00422.20
8.1.220.0040.00417.74
8.1.210.0040.00418.93
8.1.200.0030.00617.35
8.1.190.0000.00817.32
8.1.180.0000.00818.10
8.1.170.0050.00318.71
8.1.160.0060.00318.84
8.1.150.0000.00718.78
8.1.140.0040.00420.29
8.1.130.0000.00720.30
8.1.120.0030.00717.54
8.1.110.0000.00817.50
8.1.100.0080.00017.56
8.1.90.0040.00417.44
8.1.80.0000.00817.45
8.1.70.0080.00017.43
8.1.60.0040.00417.60
8.1.50.0000.00817.62
8.1.40.0050.00317.57
8.1.30.0000.00817.57
8.1.20.0000.00917.73
8.1.10.0040.00417.59
8.1.00.0030.00517.53
8.0.300.0050.00520.02
8.0.290.0040.00416.88
8.0.280.0000.00818.46
8.0.270.0030.00316.93
8.0.260.0000.00720.04
8.0.250.0030.00317.10
8.0.240.0000.00617.06
8.0.230.0040.00417.00
8.0.220.0040.00416.95
8.0.210.0000.00616.94
8.0.200.0060.00417.13
8.0.190.0020.00517.17
8.0.180.0060.00316.92
8.0.170.0040.00417.02
8.0.160.0080.00017.07
8.0.150.0000.00716.92
8.0.140.0030.00516.88
8.0.130.0030.00313.48
8.0.120.0080.00017.03
8.0.110.0000.00717.13
8.0.100.0000.00716.92
8.0.90.0030.00516.92
8.0.80.0100.00616.97
8.0.70.0000.00717.07
8.0.60.0050.00316.92
8.0.50.0070.00017.03
8.0.30.0130.00717.23
8.0.20.0110.00917.47
8.0.10.0000.00717.20
8.0.00.0130.00816.90
7.4.330.0000.00515.55
7.4.320.0060.00016.70
7.4.300.0060.00016.50
7.4.290.0000.00616.71
7.4.280.0050.00316.76
7.4.270.0070.00316.75
7.4.260.0030.00316.65
7.4.250.0030.00316.70
7.4.240.0030.00316.59
7.4.230.0040.00416.82
7.4.220.0030.00316.62
7.4.210.0110.00616.71
7.4.200.0030.00316.39
7.4.160.0070.01216.67
7.4.140.0030.01417.86
7.4.130.0180.00716.84
7.4.120.0070.01116.79
7.4.110.0130.00416.70
7.4.100.0070.01416.45
7.4.90.0100.00616.61
7.4.80.0130.00419.39
7.4.70.0160.00016.70
7.4.60.0050.01116.66
7.4.50.0040.01116.40
7.4.40.0130.00716.73
7.4.00.0040.01115.31
7.3.330.0050.00013.33
7.3.320.0030.00313.27
7.3.310.0070.00016.53
7.3.300.0030.00316.38
7.3.290.0000.00716.41
7.3.280.0070.00916.42
7.3.260.0140.00916.58
7.3.240.0100.00716.62
7.3.230.0110.00616.53
7.3.210.0100.00716.48
7.3.200.0090.00716.49
7.3.190.0160.00416.51
7.3.180.0110.00616.64
7.3.170.0060.01616.81
7.3.160.0120.00616.57
7.3.30.0180.00414.63
7.3.20.0800.00315.00
7.3.10.0650.00315.00
7.3.00.0590.00714.93
7.2.330.0140.00916.64
7.2.320.0120.00616.98
7.2.310.0070.01016.89
7.2.300.0070.01016.82
7.2.290.0100.01016.93
7.2.160.0170.01014.81
7.2.150.0830.01315.20
7.2.140.0640.00715.30
7.2.130.0630.00715.19
7.2.120.0800.00415.30
7.2.110.0800.00615.39
7.2.100.0850.00714.88
7.2.90.1690.01315.40
7.2.80.0690.00015.23
7.2.70.0740.00315.25
7.2.60.0620.01615.22
7.2.50.0730.01015.20
7.2.40.0710.00715.31
7.2.30.0840.01315.15
7.2.20.0760.01315.05
7.2.10.0940.00615.23
7.2.00.1010.00615.15
7.1.270.0840.00014.11
7.1.260.0600.00714.26
7.1.250.0830.00314.00

preferences:
169.47 ms | 403 KiB | 5 Q