3v4l.org

run code in 300+ PHP versions simultaneously
<?php preg_match('/^[A-Z]+$/i', "abcAbc^Xyz", $m); var_dump($m);

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)
8.3.60.0030.01416.63
8.3.50.0070.01016.31
8.3.40.0040.01418.82
8.3.30.0090.00618.51
8.3.20.0070.00020.13
8.3.10.0000.00823.66
8.3.00.0040.00420.80
8.2.180.0090.01218.39
8.2.170.0070.00722.96
8.2.160.0110.00322.39
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00422.28
8.2.120.0000.00826.16
8.2.110.0060.00320.53
8.2.100.0090.00317.91
8.2.90.0030.00619.14
8.2.80.0000.00817.97
8.2.70.0040.00417.75
8.2.60.0080.00017.91
8.2.50.0030.00618.10
8.2.40.0080.00022.27
8.2.30.0060.00320.81
8.2.20.0000.00817.95
8.2.10.0040.00417.86
8.2.00.0000.00717.93
8.1.280.0060.00925.92
8.1.270.0050.00323.91
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0040.00420.82
8.1.230.0110.00019.16
8.1.220.0060.00317.74
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0090.00017.35
8.1.180.0050.00318.10
8.1.170.0040.00418.64
8.1.160.0030.00319.01
8.1.150.0000.00718.83
8.1.140.0000.00819.52
8.1.130.0030.00318.78
8.1.120.0070.00017.50
8.1.110.0060.00317.52
8.1.100.0050.00317.49
8.1.90.0000.00817.46
8.1.80.0000.00717.48
8.1.70.0030.00317.48
8.1.60.0030.00517.56
8.1.50.0080.00017.43
8.1.40.0060.00317.45
8.1.30.0040.00417.65
8.1.20.0030.00617.67
8.1.10.0060.00317.51
8.1.00.0000.00817.55
8.0.300.0030.00718.77
8.0.290.0040.00416.75
8.0.280.0030.00318.39
8.0.270.0000.00817.08
8.0.260.0000.00716.71
8.0.250.0030.00317.02
8.0.240.0000.00816.93
8.0.230.0030.00317.00
8.0.220.0030.00316.80
8.0.210.0030.00316.95
8.0.200.0040.00416.93
8.0.190.0040.00416.85
8.0.180.0050.00316.96
8.0.170.0040.00416.82
8.0.160.0040.00416.80
8.0.150.0080.00016.85
8.0.140.0000.00716.85
8.0.130.0030.00313.39
8.0.120.0000.00716.80
8.0.110.0000.00716.90
8.0.100.0040.00416.81
8.0.90.0000.00716.95
8.0.80.0140.00316.90
8.0.70.0000.00716.90
8.0.60.0000.00716.88
8.0.50.0000.00716.87
8.0.30.0090.01216.93
8.0.20.0110.00717.40
8.0.10.0040.00416.82
8.0.00.0120.00816.87
7.4.330.0050.00015.55
7.4.320.0030.00316.73
7.4.300.0070.00016.68
7.4.290.0030.00316.59
7.4.280.0040.00416.64
7.4.270.0000.00716.54
7.4.260.0060.00013.28
7.4.250.0000.00716.56
7.4.240.0030.00316.55
7.4.230.0030.00316.47
7.4.220.0070.01116.57
7.4.210.0030.01716.77
7.4.200.0000.00716.53
7.4.160.0100.00716.59
7.4.150.0090.00917.40
7.4.140.0100.00917.86
7.4.130.0090.00916.61
7.4.120.0100.01216.65
7.4.110.0120.00616.36
7.4.100.0120.01316.79
7.4.90.0030.01616.64
7.4.80.0120.00819.39
7.4.70.0030.01316.54
7.4.60.0080.00816.75
7.4.50.0070.00416.46
7.4.40.0000.01616.50
7.4.30.0000.01716.47
7.4.00.0060.01015.00
7.3.330.0030.00313.14
7.3.320.0030.00313.00
7.3.310.0000.00716.37
7.3.300.0000.00716.28
7.3.290.0080.00816.29
7.3.280.0090.00816.32
7.3.270.0130.01017.40
7.3.260.0150.00416.36
7.3.250.0110.01116.39
7.3.240.0070.01016.42
7.3.230.0130.00716.42
7.3.210.0070.01016.34
7.3.200.0090.00616.52
7.3.190.0050.01116.32
7.3.180.0070.01016.32
7.3.170.0040.01516.39
7.3.160.0130.00316.70
7.3.120.0100.01015.04
7.3.110.0140.00315.17
7.3.100.0040.00814.76
7.3.90.0110.00414.92
7.3.80.0030.00915.04
7.3.70.0060.01014.70
7.3.60.0030.00814.97
7.3.50.0100.00714.93
7.3.40.0060.00314.54
7.3.30.0030.00614.54
7.3.20.0060.00716.49
7.3.10.0050.00516.68
7.3.00.0030.01216.36
7.2.330.0100.01016.55
7.2.320.0090.00916.58
7.2.310.0070.01016.54
7.2.300.0110.00616.63
7.2.290.0060.00916.41
7.2.250.0070.01314.83
7.2.240.0120.00915.00
7.2.230.0000.01114.96
7.2.220.0040.01215.07
7.2.210.0040.00714.90
7.2.200.0040.01414.74
7.2.190.0030.01315.20
7.2.180.0110.00014.96
7.2.170.0060.00614.60
7.2.60.0070.00716.80
7.2.00.0120.00019.19
7.1.330.0100.00315.59
7.1.320.0090.00615.81
7.1.310.0090.00615.92
7.1.300.0070.00715.85
7.1.290.0070.00715.82
7.1.280.0060.00615.84
7.1.270.0100.00615.90
7.1.260.0000.01615.82
7.1.200.0030.00715.67
7.1.100.0050.00518.38
7.1.70.0060.00616.96
7.1.60.0470.01033.49
7.1.50.0470.00733.13
7.1.40.0430.01332.68
7.1.30.0430.01032.86
7.1.20.0470.01032.85
7.1.10.0270.01014.95
7.1.00.0230.01314.93
7.0.200.0230.01315.13
7.0.190.0300.00715.14
7.0.180.0400.00314.48
7.0.170.0300.00714.72
7.0.160.0370.01014.32
7.0.150.0270.01014.46
7.0.140.0300.00714.75
7.0.130.0400.01315.01
7.0.120.0300.00714.76
7.0.110.0270.01014.60
7.0.100.0630.01314.64
7.0.90.0300.01314.55
7.0.80.0430.01314.60
7.0.70.0330.00714.46
7.0.60.0270.01014.57
7.0.50.0300.01014.61
7.0.40.0300.01014.77
7.0.30.0370.00714.68
7.0.20.0370.00314.79
7.0.10.0270.01314.79
7.0.00.0300.01014.66

preferences:
30.83 ms | 400 KiB | 5 Q