3v4l.org

run code in 300+ PHP versions simultaneously
<?php $size = '4M'; preg_match('/(?P<size>\d+)m|M/', $size, $match); print_r($match);

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)
8.5.30.0130.00518.89
8.5.20.0120.00619.50
8.5.10.0060.00316.94
8.5.00.0110.01219.86
8.4.180.0180.00519.80
8.4.170.0130.00821.77
8.4.160.0120.00923.78
8.4.150.0080.00516.87
8.4.140.0140.00717.72
8.4.130.0040.00620.51
8.4.120.0040.00517.99
8.4.110.0090.01117.79
8.4.100.0090.01218.11
8.4.90.0130.00820.64
8.4.80.0100.01019.16
8.4.70.0050.00318.86
8.4.60.0060.01418.67
8.4.50.0120.01020.41
8.4.40.0120.00817.71
8.4.30.0090.00617.61
8.4.20.0200.00319.77
8.4.10.0040.00417.84
8.3.300.0140.00618.59
8.3.290.0070.01320.75
8.3.280.0120.00918.31
8.3.270.0090.01016.59
8.3.260.0120.00816.54
8.3.250.0130.00616.75
8.3.240.0080.00216.79
8.3.230.0130.00616.61
8.3.220.0090.00918.85
8.3.210.0100.01016.76
8.3.200.0050.00416.79
8.3.190.0100.00717.11
8.3.180.0110.00918.45
8.3.170.0070.00016.94
8.3.160.0110.00720.62
8.3.150.0140.00418.82
8.3.140.0160.00320.45
8.3.130.0030.00618.52
8.3.120.0030.00618.86
8.3.110.0100.00020.94
8.3.100.0040.00416.61
8.3.90.0110.00418.07
8.3.80.0090.00018.43
8.3.70.0100.01016.75
8.3.60.0160.00618.55
8.3.50.0080.00718.24
8.3.40.0160.00618.84
8.3.30.0100.00718.73
8.3.20.0030.01521.64
8.3.10.0070.00023.40
8.3.00.0050.00223.61
8.2.300.0120.00722.23
8.2.290.0120.00816.82
8.2.280.0090.01118.45
8.2.270.0130.00618.70
8.2.260.0080.00016.39
8.2.250.0070.01116.61
8.2.240.0030.00617.22
8.2.230.0080.00022.58
8.2.220.0080.00024.06
8.2.210.0090.00926.77
8.2.200.0000.01117.00
8.2.190.0130.00316.63
8.2.180.0090.00916.34
8.2.170.0060.00919.09
8.2.160.0120.00322.96
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00421.06
8.2.110.0040.00422.20
8.2.100.0040.00717.78
8.2.90.0000.00817.63
8.2.80.0090.00018.73
8.2.70.0080.00017.75
8.2.60.0090.00017.93
8.2.50.0000.00818.07
8.2.40.0000.00818.16
8.2.30.0050.00318.02
8.2.20.0070.00018.05
8.2.10.0030.00517.88
8.2.00.0030.00718.01
8.1.340.0110.00917.80
8.1.330.0110.00816.48
8.1.320.0080.00316.61
8.1.310.0100.00718.57
8.1.300.0080.00017.86
8.1.290.0070.00318.88
8.1.280.0110.00325.92
8.1.270.0050.00323.72
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0070.00420.65
8.1.230.0090.00317.77
8.1.220.0080.00017.74
8.1.210.0130.00018.77
8.1.200.0060.00317.34
8.1.190.0000.00917.25
8.1.180.0040.00418.10
8.1.170.0030.00620.42
8.1.160.0050.00218.69
8.1.150.0040.00418.73
8.1.140.0070.00017.62
8.1.130.0030.00317.49
8.1.120.0000.01117.43
8.1.110.0040.00417.46
8.1.100.0000.00717.54
8.1.90.0000.00817.50
8.1.80.0040.00417.51
8.1.70.0070.00017.43
8.1.60.0080.00917.59
8.1.50.0000.00817.55
8.1.40.0040.00417.44
8.1.30.0030.00517.56
8.1.20.0030.00517.75
8.1.10.0060.00617.57
8.1.00.0000.00817.55
8.0.300.0060.00318.77
8.0.290.0030.00516.88
8.0.280.0030.00318.27
8.0.270.0030.00317.21
8.0.260.0030.00316.80
8.0.250.0030.00317.06
8.0.240.0040.00816.96
8.0.230.0030.00316.90
8.0.220.0040.00417.00
8.0.210.0040.00416.95
8.0.200.0000.00616.91
8.0.190.0080.00017.04
8.0.180.0040.00416.91
8.0.170.0040.00416.96
8.0.160.0030.00317.00
8.0.150.0080.00316.80
8.0.140.0040.00316.95
8.0.130.0000.00613.40
8.0.120.0000.00816.93
8.0.110.0020.00616.84
8.0.100.0020.00616.94
8.0.90.0020.00516.84
8.0.80.0060.00516.94
8.0.70.0050.00316.93
8.0.60.0040.00516.92
8.0.50.0030.00516.96
8.0.30.0060.00817.07
8.0.20.0050.00817.11
8.0.10.0040.00417.00
8.0.00.0070.00516.89
7.4.330.0030.00316.72
7.4.320.0030.00316.66
7.4.300.0030.00316.64
7.4.290.0030.00516.69
7.4.280.0040.00416.70
7.4.270.0070.00016.74
7.4.260.0070.00016.61
7.4.250.0040.00416.60
7.4.240.0040.00416.71
7.4.230.0020.00616.64
7.4.220.0040.00416.59
7.4.210.0050.00516.67
7.4.200.0030.00516.68
7.4.190.0040.00416.80
7.4.180.0030.00416.75
7.4.160.0070.00716.66
7.4.150.0020.00516.78
7.4.140.0070.00717.36
7.4.130.0080.00416.61
7.4.120.0080.00716.69
7.4.110.0040.00616.57
7.4.100.0030.00716.69
7.4.90.0020.00816.63
7.4.80.0060.00517.30
7.4.70.0020.00816.64
7.4.60.0050.00516.68
7.4.50.0030.00616.47
7.4.40.0050.00616.56
7.4.30.0030.00516.49
7.4.20.0050.00316.48
7.4.10.0020.00616.64
7.4.00.0050.00616.19
7.3.330.0000.00513.03
7.3.320.0030.00313.11
7.3.310.0070.00116.27
7.3.300.0030.00516.20
7.3.290.0060.00116.21
7.3.280.0040.00716.25
7.3.270.0040.00316.31
7.3.260.0080.00516.31
7.3.250.0020.00616.20
7.3.240.0070.00616.35
7.3.230.0040.00716.31
7.3.220.0050.00316.17
7.3.210.0080.00316.14
7.3.200.0050.00516.22
7.3.190.0030.00816.25
7.3.180.0060.00416.21
7.3.170.0050.00616.28
7.3.160.0030.00716.20
7.3.150.0020.00516.19
7.3.140.0060.00116.19
7.3.130.0030.00416.17
7.3.120.0010.00716.21
7.3.110.0030.00516.16
7.3.100.0040.00316.09
7.3.90.0040.00316.47
7.3.80.0010.00616.26
7.3.70.0010.00616.28
7.3.60.0060.00216.43
7.3.50.0000.00716.38
7.3.40.0030.00516.36
7.3.30.0030.00316.41
7.3.20.0050.00417.04
7.3.10.0030.00516.85
7.3.00.0060.00116.96
7.2.340.0020.00816.44
7.2.330.0090.00516.49
7.2.320.0070.00716.37
7.2.310.0080.00416.47
7.2.300.0080.00416.38
7.2.290.0060.00816.35
7.2.280.0050.00416.32
7.2.270.0040.00516.49
7.2.260.0080.00216.37
7.2.250.0070.00316.27
7.2.240.0060.00416.37
7.2.230.0090.00116.47
7.2.220.0070.00416.42
7.2.210.0060.00416.34
7.2.200.0080.00316.37
7.2.190.0050.00616.50
7.2.180.0070.00316.49
7.2.170.0060.00416.58
7.2.160.0020.00916.58
7.2.150.0050.00617.10
7.2.140.0060.00617.12
7.2.130.0070.00617.27
7.2.120.0070.00717.24
7.2.110.0040.00617.13
7.2.100.0070.00317.23
7.2.90.0060.00517.03
7.2.80.0040.00617.13
7.2.70.0050.00517.13
7.2.60.0070.00417.09
7.2.50.0070.00417.13
7.2.40.0230.00417.47
7.2.30.0290.00617.34
7.2.20.0260.00717.38
7.2.10.0200.00817.28
7.2.00.0260.00617.33
7.1.330.0050.00516.13
7.1.320.0070.00416.18
7.1.310.0060.00316.24
7.1.300.0070.00216.13
7.1.290.0050.00516.17
7.1.280.0090.00216.23
7.1.270.0060.00516.12
7.1.260.0050.00516.00
7.1.250.0010.00916.05
7.1.240.0060.00516.09
7.1.230.0050.00416.23
7.1.220.0040.00616.12
7.1.210.0050.00516.15
7.1.200.0050.00516.01
7.1.190.0060.00316.14
7.1.180.0010.00916.10
7.1.170.0050.00416.16
7.1.160.0210.00416.34
7.1.150.0200.00716.29
7.1.140.0330.00716.38
7.1.130.0240.00916.22
7.1.120.0270.00616.33
7.1.110.0280.00716.23
7.1.100.0230.00416.29
7.1.90.0210.00716.22
7.1.80.0220.00516.29
7.1.70.0270.00515.86
7.1.60.0270.00420.51
7.1.50.0270.00620.49
7.1.40.0290.00620.49
7.1.30.0300.00420.42
7.1.20.0290.00820.36
7.1.10.0270.00615.88
7.1.00.0240.00715.87
7.0.330.0060.00415.84
7.0.320.0050.00615.77
7.0.310.0070.00315.81
7.0.300.0100.00315.93
7.0.290.0060.00415.92
7.0.280.0050.00515.85
7.0.270.0100.00415.93
7.0.260.0060.00415.81
7.0.250.0080.00315.86
7.0.240.0080.00215.94
7.0.230.0070.00216.04
7.0.220.0060.00515.92
7.0.210.0070.00315.89
7.0.200.0060.00415.86
7.0.190.0070.00415.85
7.0.180.0020.00815.88
7.0.170.0060.00416.00
7.0.160.0070.00515.87
7.0.150.0060.00515.82
7.0.140.0060.00415.86
7.0.130.0050.00515.84
7.0.120.0060.00315.94
7.0.110.0070.00315.76
7.0.100.0060.00315.84
7.0.90.0010.00815.86
7.0.80.0070.00415.68
7.0.70.0050.00415.73
7.0.60.0030.00515.78
7.0.50.0070.00415.75
7.0.40.0060.00315.87
7.0.30.0070.00415.88
7.0.20.0030.00715.72
7.0.10.0000.00815.84
7.0.00.0050.00315.75
5.6.400.0020.00615.70
5.6.390.0050.00215.72
5.6.380.0040.00415.69
5.6.370.0030.00515.85
5.6.360.0070.00115.70
5.6.350.0030.00515.66
5.6.340.0040.00415.69
5.6.330.0040.00515.61
5.6.320.0050.00415.73
5.6.310.0050.00315.72
5.6.300.0050.00215.64
5.6.290.0040.00415.68
5.6.280.0070.00115.79
5.6.270.0050.00415.64
5.6.260.0040.00415.72
5.6.250.0040.00415.58
5.6.240.0060.00215.70
5.6.230.0040.00415.86
5.6.220.0010.00715.85
5.6.210.0040.00415.82
5.6.200.0040.00515.89
5.6.190.0080.00215.93
5.6.180.0040.00515.80
5.6.170.0050.00315.84
5.6.160.0010.00815.99
5.6.150.0070.00215.87
5.6.140.0060.00315.88
5.6.130.0050.00515.88
5.6.120.0060.00315.88
5.6.110.0050.00415.77
5.6.100.0020.00615.79
5.6.90.0050.00315.76
5.6.80.0030.00515.70
5.6.70.0010.00815.84
5.6.60.0050.00315.81
5.6.50.0070.00115.68
5.6.40.0070.00115.67
5.6.30.0050.00315.63
5.6.20.0050.00415.66
5.6.10.0030.00615.72
5.6.00.0060.00315.70

preferences:
105.57 ms | 1974 KiB | 5 Q