3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string1 = "the national"; $string2 = "nationals"; var_dump(preg_match("/^the ?/", $string1)); var_sump(preg_match("/^the ?/", $string2)); ?>

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)
8.3.40.0040.01118.96
8.3.30.0030.01019.22
8.3.20.0070.00020.36
8.3.10.0090.00022.09
8.3.00.0000.00822.52
8.2.170.0040.01122.96
8.2.160.0030.01019.21
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00419.61
8.2.110.0140.00719.45
8.2.100.0000.01218.03
8.2.90.0040.00419.08
8.2.80.0050.00317.97
8.2.70.0030.00517.88
8.2.60.0000.00817.93
8.2.50.0000.00818.07
8.2.40.0000.00819.61
8.2.30.0000.00718.08
8.2.20.0040.00417.68
8.2.10.0020.00517.94
8.2.00.0040.00417.80
8.1.270.0040.00422.02
8.1.260.0040.00426.35
8.1.250.0030.00528.09
8.1.240.0030.00622.18
8.1.230.0040.00820.52
8.1.220.0040.00417.74
8.1.210.0070.00418.77
8.1.200.0050.00517.35
8.1.190.0000.00817.40
8.1.180.0050.00318.69
8.1.170.0060.00318.76
8.1.160.0040.00422.16
8.1.150.0070.00018.83
8.1.140.0000.00717.54
8.1.130.0070.00017.72
8.1.120.0040.00417.44
8.1.110.0050.00317.56
8.1.100.0000.00717.51
8.1.90.0050.00217.48
8.1.80.0070.00017.48
8.1.70.0040.00417.51
8.1.60.0000.00917.67
8.1.50.0050.00317.66
8.1.40.0000.00717.66
8.1.30.0000.00817.68
8.1.20.0000.00817.77
8.1.10.0040.00417.66
8.1.00.0000.00917.70
8.0.300.0040.00418.77
8.0.290.0070.00016.88
8.0.280.0070.00418.32
8.0.270.0070.00017.23
8.0.260.0040.00416.87
8.0.250.0030.00317.11
8.0.240.0040.00417.08
8.0.230.0030.00317.09
8.0.220.0030.00317.12
8.0.210.0030.00317.09
8.0.200.0040.00416.98
8.0.190.0060.00317.14
8.0.180.0040.00416.97
8.0.170.0030.00616.98
8.0.160.0080.00016.93
8.0.150.0040.00417.00
8.0.140.0000.00816.99
8.0.130.0000.00613.46
8.0.120.0040.00416.95
8.0.110.0000.00716.99
8.0.100.0040.00417.07
8.0.90.0000.00717.13
8.0.80.0130.00317.03
8.0.70.0040.00417.08
8.0.60.0000.00716.93
8.0.50.0040.00416.89
8.0.30.0120.01017.32
8.0.20.0140.00817.41
8.0.10.0000.00817.18
8.0.00.0100.00817.04
7.4.330.0000.00515.00
7.4.320.0030.00316.73
7.4.300.0000.00616.70
7.4.290.0030.00316.67
7.4.280.0040.00416.78
7.4.270.0060.00016.57
7.4.260.0000.00716.81
7.4.250.0070.00016.67
7.4.240.0030.00516.74
7.4.230.0030.00316.71
7.4.220.0040.01416.79
7.4.210.0050.00916.80
7.4.200.0000.00716.93
7.4.190.0050.00216.75
7.4.160.0140.00316.66
7.4.150.0190.00917.40
7.4.140.0120.01017.86
7.4.130.0080.00916.72
7.4.120.0120.00616.78
7.4.110.0120.00616.62
7.4.100.0130.00916.59
7.4.90.0070.01116.77
7.4.80.0070.01119.39
7.4.70.0130.00616.58
7.4.60.0070.01016.89
7.4.50.0000.00916.66
7.4.40.0080.00522.77
7.4.30.0030.01316.71
7.4.10.0070.01816.64
7.4.00.0040.01415.85
7.3.330.0000.00513.15
7.3.320.0000.00513.26
7.3.310.0040.00316.53
7.3.300.0000.00616.52
7.3.290.0130.00316.34
7.3.280.0090.00916.42
7.3.270.0190.00617.40
7.3.260.0080.01516.46
7.3.250.0060.01016.52
7.3.240.0110.00516.57
7.3.230.0060.01116.69
7.3.210.0090.00916.36
7.3.200.0070.01019.39
7.3.190.0030.01316.53
7.3.180.0090.00616.56
7.3.170.0050.01116.53
7.3.160.0060.01216.73
7.3.130.0090.01216.38
7.3.120.0080.00615.72
7.3.110.0090.00616.64
7.3.100.0130.00316.22
7.3.90.0030.00716.33
7.3.80.0080.01116.57
7.3.70.0060.00316.41
7.3.60.0080.00516.42
7.3.50.0030.00716.35
7.3.40.0030.00716.48
7.3.30.0090.00916.43
7.3.20.0090.00918.30
7.3.10.0040.01218.39
7.3.00.0140.00318.32
7.2.330.0120.00616.67
7.2.320.0060.01116.66
7.2.310.0140.00816.61
7.2.300.0100.00716.63
7.2.290.0080.00816.52
7.2.260.0110.00716.62
7.2.250.0100.00616.66
7.2.240.0070.01016.47
7.2.230.0120.00616.51
7.2.220.0060.00616.48
7.2.210.0100.00016.41
7.2.200.0090.00616.56
7.2.190.0080.00416.64
7.2.180.0070.00416.52
7.2.170.0030.00916.47
7.2.160.0120.00816.37
7.2.150.0030.01218.39
7.2.140.0030.01418.52
7.2.130.0090.00918.37
7.2.120.0030.01018.43
7.2.110.0040.00818.43
7.2.100.0140.00318.33
7.2.90.0370.01216.41
7.2.80.0430.00716.51
7.2.70.0250.01016.58
7.2.60.0240.01116.85
7.2.50.0400.01116.68
7.2.40.0470.00616.79
7.2.30.0410.00416.84
7.2.20.0390.00816.60
7.2.10.0320.01116.58
7.2.00.0260.00617.55
7.1.330.0040.01117.31
7.1.320.0030.00617.55
7.1.310.0060.01217.67
7.1.300.0130.00317.53
7.1.290.0070.00717.55
7.1.280.0090.00617.48
7.1.270.0060.01317.38
7.1.260.0070.01117.32
7.1.250.0030.01417.36
7.1.240.0070.00717.29
7.1.230.0030.00917.35
7.1.220.0090.00917.25
7.1.210.0160.00515.81
7.1.200.0550.00315.65
7.1.190.0350.00515.60
7.1.180.0290.01015.65
7.1.170.0400.00915.72
7.1.160.0340.00915.80
7.1.150.0080.01215.75
7.1.140.0420.00715.65
7.1.130.0500.00515.74
7.1.120.0380.00815.65
7.1.110.0510.01215.72
7.1.100.0360.00716.52
7.1.90.0420.00715.75
7.1.80.0440.00415.77
7.1.70.0280.00716.22
7.1.60.0630.01623.08
7.1.50.0380.01022.24
7.1.40.0420.01424.68
7.1.30.0630.00524.76
7.1.20.0460.01424.78
7.1.10.0290.00915.66
7.1.00.0220.02817.86
7.0.330.0030.01317.00
7.0.320.0070.01017.11
7.0.310.0390.01115.26
7.0.300.0410.00815.43
7.0.290.0270.01015.33
7.0.280.0140.01115.45
7.0.270.0390.00615.53
7.0.260.0340.01315.32
7.0.250.0570.01015.35
7.0.240.0410.00815.41
7.0.230.0400.01215.33
7.0.220.0370.01015.43
7.0.210.0410.00815.40
7.0.200.0270.00615.71
7.0.190.0360.00815.35
7.0.180.0410.00915.51
7.0.170.0420.00815.39
7.0.160.0370.01015.32
7.0.150.0250.00915.48
7.0.140.0200.03117.51
7.0.130.0350.00515.37
7.0.120.0340.00315.37
7.0.110.0340.00715.38
7.0.100.0450.00815.37
7.0.90.0300.01215.35
7.0.80.0310.01015.40
7.0.70.1500.01816.89
7.0.60.0230.02516.95
7.0.50.0130.02216.11
7.0.40.0210.03116.37
7.0.30.0320.03316.30
7.0.20.0530.03116.43
7.0.10.0330.01616.37
7.0.00.0250.03116.16
5.6.400.0000.01615.82
5.6.390.0070.00715.69
5.6.380.0060.01215.49
5.6.370.0080.00615.55
5.6.360.0070.00416.10
5.6.350.0030.00915.77
5.6.340.0090.00316.00
5.6.330.0040.01115.80
5.6.320.0060.00915.88
5.6.310.0090.00615.55
5.6.300.0120.00615.07
5.6.290.0050.01015.05
5.6.280.0080.03216.99
5.6.270.0080.00814.88
5.6.260.0130.00314.93
5.6.250.0090.00914.85
5.6.240.0100.00515.04
5.6.230.0090.01114.84
5.6.220.0110.00815.10
5.6.210.0100.02816.87
5.6.200.0110.03215.98
5.6.190.0070.03716.88
5.6.180.0150.03016.78
5.6.170.0150.02016.75
5.6.160.0100.01816.88
5.6.150.0080.03315.99
5.6.140.0070.01816.00
5.6.130.0130.02415.99
5.6.120.0150.02916.92
5.6.110.0110.03116.95
5.6.100.0080.03016.87
5.6.90.0060.03616.81
5.6.80.0090.02916.68
5.6.70.0130.03216.76
5.6.60.0060.00814.87
5.6.50.0060.00614.83
5.6.40.0090.00814.75
5.6.30.0060.00914.81
5.6.20.0070.00714.94
5.6.10.0090.00614.78
5.6.00.0080.00814.78
5.5.380.0050.00913.19
5.5.370.0110.00613.29
5.5.360.0070.00513.16
5.5.350.0060.03015.75
5.5.340.0060.02114.92
5.5.330.0030.02415.63
5.5.320.0030.03415.66
5.5.310.0120.01915.66
5.5.300.0080.02614.90
5.5.290.0110.03014.85
5.5.280.0060.02515.76
5.5.270.0100.03015.80
5.5.260.0100.01515.70
5.5.250.0010.02215.69
5.5.240.0120.02415.57
5.5.230.0050.00513.34
5.5.220.0060.00713.26
5.5.210.0070.00713.19
5.5.200.0080.00813.21
5.5.190.0020.01113.22
5.5.180.0050.00713.30
5.5.170.0090.00514.77
5.5.160.0050.00913.02
5.5.150.0080.00613.26
5.5.140.0100.00513.14
5.5.130.0070.00613.24
5.5.120.0090.00513.15
5.5.110.0040.01113.33
5.5.100.0070.00413.22
5.5.90.0100.00413.34
5.5.80.0080.00513.17
5.5.70.0060.00713.03
5.5.60.0070.00713.34
5.5.50.0090.00513.18
5.5.40.0050.00812.96
5.5.30.0080.00713.19
5.5.20.0050.00513.17
5.5.10.0080.00413.13
5.5.00.0050.00813.10
5.4.450.0280.02214.43
5.4.440.0300.02214.14
5.4.430.0150.02214.34
5.4.420.0260.02214.25
5.4.410.0390.01814.24
5.4.400.0050.02714.18
5.4.390.0160.02014.21
5.4.380.0160.01614.02
5.4.370.0110.01613.99
5.4.360.0090.01813.95
5.4.350.0040.01711.71
5.4.340.0080.01311.75
5.4.330.0070.00611.79
5.4.320.0060.01711.88
5.4.310.0070.01511.95
5.4.300.0050.01611.99
5.4.290.0050.02011.99
5.4.280.0050.01611.87
5.4.270.0040.01711.88
5.4.260.0040.01912.01
5.4.250.0080.01511.96
5.4.240.0110.01511.92
5.4.230.0050.01811.90
5.4.220.0060.01711.82
5.4.210.0060.01711.93
5.4.200.0060.01811.94
5.4.190.0030.01711.97
5.4.180.0070.01611.88
5.4.170.0080.01611.91
5.4.160.0080.01511.99
5.4.150.0060.01611.85
5.4.140.0070.01511.86
5.4.130.0080.01311.86
5.4.120.0050.01611.79
5.4.110.0080.01411.77
5.4.100.0040.01811.73
5.4.90.0050.01811.80
5.4.80.0090.01411.71
5.4.70.0070.01611.78
5.4.60.0060.01811.79
5.4.50.0020.02011.81
5.4.40.0060.01711.73
5.4.30.0060.01411.78
5.4.20.0040.01911.82
5.4.10.0040.01611.80
5.4.00.0060.01511.61
5.3.290.0070.01612.11
5.3.280.0030.01912.02
5.3.270.0070.01412.05
5.3.260.0050.01812.03
5.3.250.0030.01711.99
5.3.240.0080.01511.98
5.3.230.0030.01811.96
5.3.220.0070.01411.98
5.3.210.0080.01612.02
5.3.200.0080.01511.99
5.3.190.0060.01812.00
5.3.180.0070.01612.15
5.3.170.0050.01712.12
5.3.160.0080.01512.08
5.3.150.0060.01712.13
5.3.140.0050.01612.10
5.3.130.0030.01912.07
5.3.120.0060.01612.05
5.3.110.0050.01912.14
5.3.100.0080.01411.86
5.3.90.0070.01511.91
5.3.80.0080.01511.79
5.3.70.0060.01511.81
5.3.60.0040.01811.82
5.3.50.0040.01711.74
5.3.40.0030.01911.80
5.3.30.0090.01311.74
5.3.20.0050.01511.72
5.3.10.0060.01611.64
5.3.00.0050.01411.61
5.2.170.0040.0179.81
5.2.160.0050.0179.81
5.2.150.0020.0209.80
5.2.140.0070.0199.80
5.2.130.0080.0149.78
5.2.120.0040.0209.79
5.2.110.0040.0199.79
5.2.100.0020.0199.79
5.2.90.0070.0149.79
5.2.80.0030.0189.78
5.2.70.0040.0179.78
5.2.60.0020.0189.76
5.2.50.0050.0189.74
5.2.40.0020.0219.73
5.2.30.0040.0199.72
5.2.20.0070.0149.72
5.2.10.0040.0169.67
5.2.00.0040.0179.60
5.1.60.0040.0139.24
5.1.50.0040.0159.24
5.1.40.0050.0149.24
5.1.30.0030.0179.41
5.1.20.0050.0149.42
5.1.10.0050.0149.28
5.1.00.0050.0139.28
5.0.50.0060.0108.52
5.0.40.0040.0158.45
5.0.30.0040.0158.36
5.0.20.0050.0108.34
5.0.10.0040.0128.33
5.0.00.0040.0168.33
4.4.90.0020.0107.62
4.4.80.0010.0127.61
4.4.70.0020.0107.61
4.4.60.0030.0087.61
4.4.50.0050.0077.62
4.4.40.0040.0137.59
4.4.30.0010.0117.61
4.4.20.0030.0097.65
4.4.10.0010.0127.65
4.4.00.0020.0167.61
4.3.110.0010.0127.57
4.3.100.0050.0077.56
4.3.90.0050.0077.55
4.3.80.0020.0147.52
4.3.70.0020.0097.54
4.3.60.0020.0097.54
4.3.50.0040.0077.54
4.3.40.0010.0157.50
4.3.30.0020.0106.87
4.3.20.0010.0116.86
4.3.10.0040.0086.84
4.3.00.0020.0128.86

preferences:
39.64 ms | 400 KiB | 5 Q