3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = '^bar$'; if (preg_match("^\^.*?\$$", $string)) { print "true"; } else { print "false"; }

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)
8.3.40.0100.01018.71
8.3.30.0070.00718.79
8.3.20.0050.00320.23
8.3.10.0040.00423.39
8.3.00.0040.00419.43
8.2.170.0140.00722.96
8.2.160.0100.00320.27
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0070.00020.91
8.2.110.0030.00720.99
8.2.100.0070.00418.03
8.2.90.0070.00419.27
8.2.80.0080.00017.97
8.2.70.0030.00617.50
8.2.60.0050.00318.04
8.2.50.0080.00018.07
8.2.40.0070.00218.22
8.2.30.0040.00417.99
8.2.20.0030.00617.49
8.2.10.0000.00817.96
8.2.00.0000.00817.47
8.1.270.0080.00823.88
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0100.00021.24
8.1.230.0070.00419.09
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0040.00417.22
8.1.190.0050.00317.23
8.1.180.0040.00418.10
8.1.170.0040.00418.50
8.1.160.0050.00221.99
8.1.150.0040.00418.88
8.1.140.0070.00017.38
8.1.130.0030.00317.69
8.1.120.0030.00317.43
8.1.110.0000.00817.35
8.1.100.0040.00417.43
8.1.90.0000.00717.45
8.1.80.0000.00717.43
8.1.70.0000.00717.28
8.1.60.0040.00417.50
8.1.50.0030.00517.37
8.1.40.0040.00417.47
8.1.30.0040.00417.48
8.1.20.0000.00817.53
8.1.10.0040.00417.57
8.1.00.0040.00417.46
8.0.300.0050.00318.77
8.0.290.0040.00416.88
8.0.280.0030.00318.32
8.0.270.0040.00417.24
8.0.260.0080.00017.13
8.0.250.0000.00716.80
8.0.240.0040.00416.84
8.0.230.0070.00016.82
8.0.220.0000.00716.88
8.0.210.0000.00716.79
8.0.200.0030.00317.01
8.0.190.0050.00316.99
8.0.180.0000.01016.90
8.0.170.0000.00816.85
8.0.160.0000.00816.89
8.0.150.0040.00416.77
8.0.140.0080.00016.71
8.0.130.0000.00513.34
8.0.120.0040.00416.83
8.0.110.0030.00316.80
8.0.100.0040.00416.70
8.0.90.0000.00716.85
8.0.80.0100.00616.93
8.0.70.0040.00416.95
8.0.60.0000.00716.95
8.0.50.0040.00416.77
8.0.30.0080.01217.19
8.0.20.0130.00617.40
8.0.10.0060.00316.81
8.0.00.0100.00716.60
7.4.330.0000.00515.13
7.4.320.0030.00316.50
7.4.300.0000.00716.49
7.4.290.0040.00416.60
7.4.280.0070.00016.48
7.4.270.0030.00316.39
7.4.260.0000.00716.43
7.4.250.0040.00416.42
7.4.240.0060.00216.41
7.4.230.0030.00316.52
7.4.220.0090.00916.57
7.4.210.0060.01216.43
7.4.200.0000.00716.54
7.4.160.0150.00716.77
7.4.150.0070.01017.40
7.4.140.0090.00917.86
7.4.130.0070.00916.53
7.4.120.0080.00816.34
7.4.110.0090.00916.50
7.4.100.0100.00716.46
7.4.90.0180.00616.47
7.4.80.0110.00719.39
7.4.70.0050.01116.30
7.4.60.0090.00916.39
7.4.50.0060.00316.57
7.4.40.0140.00416.31
7.4.30.0070.01416.44
7.4.00.0070.01014.97
7.3.330.0000.00513.18
7.3.320.0020.00212.92
7.3.310.0040.00416.20
7.3.300.0000.00716.19
7.3.290.0070.00716.11
7.3.280.0070.00716.17
7.3.270.0160.00317.40
7.3.260.0130.00916.26
7.3.250.0080.00916.30
7.3.240.0110.00616.49
7.3.230.0070.01016.39
7.3.210.0100.00616.13
7.3.200.0060.01119.39
7.3.190.0030.01916.50
7.3.180.0000.01616.39
7.3.170.0090.00616.46
7.3.160.0030.01216.41
7.3.10.0000.01716.11
7.3.00.0210.00016.02
7.2.330.0070.01016.49
7.2.320.0130.00316.60
7.2.310.0070.01016.37
7.2.300.0130.00716.31
7.2.290.0070.01016.39
7.2.130.0080.00916.70
7.2.120.0190.00316.10
7.2.110.0090.00616.60
7.2.100.0150.00316.61
7.2.90.0030.01416.42
7.2.80.0150.00916.34
7.2.70.0170.00416.51
7.2.60.0100.00516.82
7.2.50.0140.00316.58
7.2.40.0140.00916.39
7.2.30.0130.00916.41
7.2.20.0120.01516.78
7.2.10.0100.00316.56
7.2.00.0090.00616.71
7.1.250.0160.00415.27
7.1.200.0090.00315.48
7.1.100.0060.00618.16
7.1.70.0030.00617.14
7.1.60.0120.01219.40
7.1.50.0090.01516.57
7.1.00.0070.07322.36
7.0.200.0070.00016.84
7.0.140.0070.07022.10
7.0.60.0030.06719.95
7.0.50.0030.06017.86
7.0.40.0100.03720.21
7.0.30.0500.06320.17
7.0.20.0270.06020.33
7.0.10.0070.05320.09
7.0.00.0030.04720.11
5.6.280.0030.07320.80
5.6.210.0130.07320.54
5.6.200.0000.04318.10
5.6.190.0070.04020.67
5.6.180.3000.03720.48
5.6.170.0300.07020.44
5.6.160.0030.04320.52
5.6.150.0100.07018.11
5.6.140.0100.08018.08
5.6.130.0070.04018.21
5.6.120.0070.07721.05
5.6.110.0100.08321.04
5.6.100.0070.07020.93
5.6.90.0100.03320.99
5.6.80.0070.07720.36
5.6.70.4500.03720.34
5.5.350.0170.08020.49
5.5.340.0100.05717.91
5.5.330.0100.06720.40
5.5.320.2870.04020.27
5.5.310.0130.04720.26
5.5.300.0070.07717.96
5.5.290.0070.03717.96
5.5.280.0130.07720.87
5.5.270.0170.06720.63
5.5.260.0070.08320.75
5.5.250.0230.06020.66
5.5.240.0200.06720.25
5.4.450.0100.04019.21
5.4.440.0370.04319.48
5.4.430.0300.03719.57
5.4.420.0370.04319.21
5.4.410.0170.05019.32
5.4.400.0100.04018.89
5.4.390.0270.03718.96
5.4.380.0230.05318.59
5.4.370.0370.04318.76
5.4.360.0270.05018.64
5.4.350.0300.05318.72
5.4.340.0330.04318.77
5.4.320.0030.04012.45
5.4.310.0030.04112.45
5.4.300.0050.03712.45
5.4.290.0060.03712.45
5.4.280.0040.03712.34
5.4.270.0050.03712.35
5.4.260.0060.03712.34
5.4.250.0040.04112.34
5.4.240.0060.04512.35
5.4.230.0050.04012.34
5.4.220.0090.03512.34
5.4.210.0060.04312.34
5.4.200.0050.04012.34
5.4.190.0050.04112.33
5.4.180.0070.03512.33
5.4.170.0030.03912.35
5.4.160.0060.03612.34
5.4.150.0080.03412.34
5.4.140.0040.04012.02
5.4.130.0050.03612.01
5.4.120.0080.03511.96
5.4.110.0060.03611.96
5.4.100.0040.03811.96
5.4.90.0070.04411.96
5.4.80.0060.03811.96
5.4.70.0060.03411.96
5.4.60.0050.03511.96
5.4.50.0070.03311.96
5.4.40.0070.03311.95
5.4.30.0060.03511.95
5.4.20.0090.03211.95
5.4.10.0010.03911.95
5.4.00.0080.03411.43
5.3.290.0040.04212.80
5.3.280.0050.03912.71
5.3.270.0050.04312.73
5.3.260.0080.05412.72
5.3.250.0080.03812.72
5.3.240.0010.04312.72
5.3.230.0050.04012.71
5.3.220.0060.03712.68
5.3.210.0060.03912.68
5.3.200.0070.04112.68
5.3.190.0050.04012.68
5.3.180.0050.03912.67
5.3.170.0060.04812.67
5.3.160.0070.04812.67
5.3.150.0150.04312.68
5.3.140.0060.04312.66
5.3.130.0080.04812.66
5.3.120.0090.03912.66
5.3.110.0060.04112.66
5.3.100.0060.03712.12
5.3.90.0050.03712.08
5.3.80.0040.03812.07
5.3.70.0050.03812.07
5.3.60.0040.03812.06
5.3.50.0120.04312.00
5.3.40.0050.03712.00
5.3.30.0040.03711.94
5.3.20.0070.03311.72
5.3.10.0040.03711.69
5.3.00.0040.03811.68
5.2.170.0110.0249.18
5.2.160.0020.0319.18
5.2.150.0020.0339.18
5.2.140.0030.0319.18
5.2.130.0060.0279.13
5.2.120.0030.0349.13
5.2.110.0070.0279.14
5.2.100.0080.0359.14
5.2.90.0060.0339.13
5.2.80.0040.0319.13
5.2.70.0050.0369.13
5.2.60.0050.0339.09
5.2.50.0050.0319.05
5.2.40.0050.0329.03
5.2.30.0050.0339.01
5.2.20.0050.0348.99
5.2.10.0050.0278.92
5.2.00.0060.0288.77
5.1.60.0050.0268.06
5.1.50.0030.0288.06
5.1.40.0030.0258.04
5.1.30.0050.0258.39
5.1.20.0040.0278.41
5.1.10.0040.0268.14
5.1.00.0070.0238.14
5.0.50.0030.0216.62
5.0.40.0060.0186.47
5.0.30.0030.0376.29
5.0.20.0060.0166.26
5.0.10.0040.0286.23
5.0.00.0030.0366.23
4.4.90.0030.0154.78
4.4.80.0030.0144.76
4.4.70.0050.0194.76
4.4.60.0030.0244.75
4.4.50.0020.0164.77
4.4.40.0030.0264.71
4.4.30.0050.0154.75
4.4.20.0030.0184.84
4.4.10.0020.0164.84
4.4.00.0050.0234.76
4.3.110.0020.0164.67
4.3.100.0040.0134.66
4.3.90.0030.0144.63
4.3.80.0010.0264.59
4.3.70.0030.0144.63
4.3.60.0020.0154.62
4.3.50.0030.0154.63
4.3.40.0020.0284.54
4.3.30.0010.0183.29
4.3.20.0040.0143.26
4.3.10.0020.0163.21
4.3.00.0030.01715.63

preferences:
56.95 ms | 400 KiB | 5 Q