3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(preg_match('/(?Cfoo)/', "/"));

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)
8.3.40.0070.00718.71
8.3.30.0070.00719.11
8.3.20.0040.00420.41
8.3.10.0040.00423.61
8.3.00.0080.00019.38
8.2.170.0070.00722.96
8.2.160.0110.00420.37
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0050.00226.16
8.2.120.0000.00720.95
8.2.110.0040.00420.39
8.2.100.0080.00317.97
8.2.90.0040.00419.14
8.2.80.0050.00317.97
8.2.70.0070.00317.38
8.2.60.0000.00717.68
8.2.50.0000.00818.07
8.2.40.0040.00419.82
8.2.30.0030.00517.93
8.2.20.0000.00817.52
8.2.10.0040.00417.81
8.2.00.0060.00317.57
8.1.270.0040.01123.97
8.1.260.0050.00226.35
8.1.250.0000.00728.09
8.1.240.0000.00921.93
8.1.230.0060.00619.21
8.1.220.0050.00317.74
8.1.210.0030.00618.77
8.1.200.0100.00017.10
8.1.190.0000.00816.98
8.1.180.0000.00818.10
8.1.170.0030.00618.65
8.1.160.0040.00421.88
8.1.150.0070.00018.75
8.1.140.0040.00417.32
8.1.130.0070.00017.76
8.1.120.0070.00317.34
8.1.110.0040.00417.37
8.1.100.0000.00717.35
8.1.90.0050.00217.37
8.1.80.0050.00217.30
8.1.70.0050.00317.30
8.1.60.0000.00817.50
8.1.50.0000.00817.33
8.1.40.0020.00517.28
8.1.30.0000.00817.46
8.1.20.0070.00317.55
8.1.10.0000.00717.27
8.1.00.0000.00817.29
8.0.300.0000.00718.77
8.0.290.0000.00716.63
8.0.280.0060.00318.37
8.0.270.0000.01117.05
8.0.260.0070.00017.17
8.0.250.0070.00016.79
8.0.240.0040.00416.86
8.0.230.0000.00716.95
8.0.220.0000.00716.80
8.0.210.0040.00416.84
8.0.200.0060.00016.90
8.0.190.0050.00316.96
8.0.180.0040.00416.89
8.0.170.0060.00316.74
8.0.160.0030.00316.77
8.0.150.0040.00416.83
8.0.140.0070.00016.80
8.0.130.0000.00513.27
8.0.120.0000.00816.69
8.0.110.0040.00416.86
8.0.100.0090.00016.72
8.0.90.0030.00316.68
8.0.80.0070.01416.77
8.0.70.0000.00716.89
8.0.60.0000.00716.77
8.0.50.0020.00516.89
8.0.30.0170.00517.05
8.0.20.0060.01317.40
8.0.10.0000.00717.00
8.0.00.0080.00916.60
7.4.330.0000.00715.00
7.4.320.0030.00316.45
7.4.300.0030.00316.45
7.4.290.0030.00616.37
7.4.280.0040.00416.43
7.4.270.0050.00216.43
7.4.260.0070.00016.46
7.4.250.0040.00416.33
7.4.240.0030.00416.49
7.4.230.0000.00716.57
7.4.220.0130.01016.61
7.4.210.0090.00616.54
7.4.200.0040.00416.29
7.4.160.0070.01016.45
7.4.150.0060.01317.40
7.4.140.0100.00717.86
7.4.130.0140.00316.50
7.4.120.0060.01116.57
7.4.110.0060.01016.41
7.4.100.0080.00816.40
7.4.90.0040.01216.35
7.4.80.0060.01819.39
7.4.70.0090.00616.29
7.4.60.0090.00616.42
7.4.50.0000.00516.29
7.4.40.0140.00316.33
7.4.30.0100.00716.59
7.4.00.0030.01214.83
7.3.330.0030.00313.17
7.3.320.0030.00313.05
7.3.310.0000.00716.34
7.3.300.0030.00316.21
7.3.290.0060.01016.18
7.3.280.0100.00516.34
7.3.270.0120.00617.40
7.3.260.0120.00616.24
7.3.250.0170.00516.34
7.3.240.0060.01216.55
7.3.230.0030.01216.39
7.3.210.0090.00816.23
7.3.200.0080.00819.39
7.3.190.0060.01116.23
7.3.180.0120.00316.17
7.3.170.0060.00916.50
7.3.160.0050.01016.28
7.3.00.0140.00416.38
7.2.330.0030.01416.53
7.2.320.0060.01316.21
7.2.310.0070.01016.32
7.2.300.0100.00716.66
7.2.290.0040.01216.34
7.2.130.0100.00716.38
7.2.120.0100.00716.52
7.2.110.0110.00716.60
7.2.100.0230.00316.57
7.2.90.0130.01316.71
7.2.80.0090.00916.68
7.2.70.0200.00516.74
7.2.60.0110.01116.45
7.2.50.0160.00816.34
7.2.40.0130.00816.59
7.2.30.0100.00316.41
7.2.20.0110.00416.40
7.2.10.0110.00016.59
7.2.00.0150.00417.94
7.1.250.0070.00715.25
7.1.240.0070.01015.46
7.1.230.0160.00015.55
7.1.220.0080.00815.52
7.1.210.0080.01115.62
7.1.200.0100.01015.70
7.1.190.0180.00315.56
7.1.180.0160.00715.46
7.1.170.0160.00615.67
7.1.160.0120.00415.74
7.1.150.0120.00315.84
7.1.140.0060.00615.64
7.1.130.0070.00715.62
7.1.120.0140.00015.46
7.1.110.0090.00415.57
7.1.100.0020.01216.87
7.1.90.0160.00015.75
7.1.80.0050.00915.61
7.1.70.0040.00816.12
7.1.60.0090.01017.50
7.1.50.0100.00816.06
7.1.40.0130.00415.71
7.1.30.0100.00615.52
7.1.20.0090.00615.32
7.1.10.0090.00315.46
7.1.00.0060.04218.98
7.0.330.0140.00315.12
7.0.320.0130.00315.16
7.0.310.0090.01614.85
7.0.300.0180.00015.30
7.0.290.0090.00615.14
7.0.280.0100.00515.28
7.0.270.0070.00715.34
7.0.260.0100.00715.11
7.0.250.0030.01215.46
7.0.240.0060.00915.14
7.0.230.0130.00414.82
7.0.220.0070.00715.18
7.0.210.0060.00914.93
7.0.200.0050.00815.86
7.0.190.0060.01015.17
7.0.180.0170.00215.35
7.0.170.0070.00715.46
7.0.160.0100.00515.25
7.0.150.0060.00615.26
7.0.140.0080.03818.58
7.0.130.0060.01015.11
7.0.120.0110.00415.38
7.0.110.0070.01015.11
7.0.100.0080.00814.88
7.0.90.0070.00715.13
7.0.80.0060.00615.11
7.0.70.0040.01114.86
7.0.60.0090.03317.48
7.0.50.0060.04116.32
7.0.40.0060.03216.58
7.0.30.0150.02516.60
7.0.20.0220.04016.60
7.0.10.0090.02916.47
7.0.00.0130.04216.59
5.6.380.0040.01114.04
5.6.370.0130.00014.41
5.6.360.0040.00414.31
5.6.350.0120.00314.35
5.6.340.0060.00614.23
5.6.330.0070.00414.18
5.6.320.0030.01014.10
5.6.310.0080.00314.33
5.6.300.0030.01014.36
5.6.290.0070.00713.84
5.6.280.0030.04017.55
5.6.270.0030.00914.15
5.6.260.0030.00914.16
5.6.250.0070.00714.21
5.6.240.0060.00614.15
5.6.230.0030.00614.18
5.6.220.0000.00813.89
5.6.210.0070.04217.38
5.6.200.0070.04416.05
5.6.190.0080.02217.04
5.6.180.0200.04517.22
5.6.170.0130.02317.09
5.6.160.0130.03817.36
5.6.150.0070.02015.97
5.6.140.0000.03416.09
5.6.130.0080.02316.22
5.6.120.0080.04517.73
5.6.110.0070.03117.45
5.6.100.0090.03517.45
5.6.90.0100.04317.68
5.6.80.0070.02817.10
5.6.70.1560.02317.14
5.6.60.0080.00414.08
5.6.50.0000.01113.78
5.6.40.0000.01013.71
5.6.30.0080.00413.79
5.6.20.0000.00813.84
5.6.10.0040.00413.78
5.6.00.0030.01513.84
5.5.380.0060.00311.14
5.5.370.0080.00010.93
5.5.360.0030.00310.91
5.5.350.0090.04015.58
5.5.340.0000.02714.44
5.5.330.0040.04215.55
5.5.320.0200.04315.55
5.5.310.0150.03315.62
5.5.300.0050.03914.38
5.5.290.0020.02814.36
5.5.280.0020.03015.89
5.5.270.0060.02815.87
5.5.260.0060.04215.58
5.5.250.0060.03015.71
5.5.240.2050.02015.38
5.5.230.0040.00410.71
5.5.220.0050.00210.81
5.5.210.0030.00710.72
5.5.200.0000.00710.96
5.5.190.0060.00010.77
5.5.180.0030.00310.75
5.5.170.0080.00410.89
5.5.160.0070.00310.67
5.5.150.0030.00510.97
5.5.140.0000.00811.07
5.5.130.0030.01010.83
5.5.120.0040.00710.54
5.5.110.0060.00010.63
5.5.100.0000.01110.92
5.5.90.0020.00510.72
5.5.80.0000.00610.72
5.5.70.0060.00610.90
5.5.60.0000.00710.70
5.5.50.0040.00410.77
5.5.40.0030.00610.95
5.5.30.0030.00610.93
5.5.20.0030.00910.54
5.5.10.0060.00610.83
5.5.00.0030.00610.67
5.4.450.0030.02515.13
5.4.440.0070.02515.25
5.4.430.0070.02515.02
5.4.420.0120.02215.03
5.4.410.0100.01515.02
5.4.400.0030.02114.94
5.4.390.0100.02015.01
5.4.380.0280.03014.72
5.4.370.0220.02714.66
5.4.360.0190.02814.56
5.4.350.0160.03214.57
5.4.340.0090.02814.65
5.4.330.0030.00610.73
5.4.320.0040.01911.64
5.4.310.0060.02111.61
5.4.300.0060.02011.54
5.4.290.0090.01911.46
5.4.280.0050.02411.48
5.4.270.0040.02611.53
5.4.260.0050.02111.63
5.4.250.0040.02111.48
5.4.240.0060.02111.56
5.4.230.0040.02111.67
5.4.220.0040.01911.55
5.4.210.0040.02411.56
5.4.200.0080.01811.52
5.4.190.0070.01911.58
5.4.180.0060.02011.41
5.4.170.0050.01911.41
5.4.160.0040.02011.51
5.4.150.0040.02211.58
5.4.140.0020.02111.30
5.4.130.0040.02011.26
5.4.120.0040.02311.25
5.4.110.0040.02411.39
5.4.100.0050.02011.41
5.4.90.0050.02111.30
5.4.80.0040.02211.30
5.4.70.0040.01911.35
5.4.60.0080.01711.33
5.4.50.0040.02011.40
5.4.40.0070.02011.43
5.4.30.0070.02011.36
5.4.20.0060.02011.40
5.4.10.0060.01511.38
5.4.00.0030.02111.00
5.3.290.0050.02211.66
5.3.280.0040.02311.41
5.3.270.0070.02511.57
5.3.260.0020.02611.54
5.3.250.0010.02311.52
5.3.240.0070.01811.47
5.3.230.0060.01911.52
5.3.220.0020.02111.54
5.3.210.0070.02211.49
5.3.200.0060.02311.52
5.3.190.0040.01911.54
5.3.180.0050.02111.60
5.3.170.0060.01811.59
5.3.160.0050.02011.63
5.3.150.0020.02211.64
5.3.140.0070.01911.61
5.3.130.0020.02311.58
5.3.120.0030.02311.45
5.3.110.0050.02111.48
5.3.100.0050.01911.27
5.3.90.0010.02211.20
5.3.80.0040.02211.20
5.3.70.0040.01911.15
5.3.60.0040.02011.11
5.3.50.0030.02011.14
5.3.40.0020.02411.14
5.3.30.0060.01811.01
5.3.20.0050.02210.94
5.3.10.0040.01810.88
5.3.00.0040.02210.90
5.2.170.0040.0179.62
5.2.160.0030.0189.62
5.2.150.0030.0179.62
5.2.140.0020.0209.62
5.2.130.0030.0189.60
5.2.120.0060.0159.60
5.2.110.0050.0179.60
5.2.100.0020.0199.60
5.2.90.0060.0169.60
5.2.80.0030.0199.60
5.2.70.0020.0199.60
5.2.60.0050.0189.57
5.2.50.0020.0189.56
5.2.40.0050.0199.55
5.2.30.0060.0169.53
5.2.20.0050.0149.53
5.2.10.0040.0169.49
5.2.00.0040.0159.42
5.1.60.0040.0139.06
5.1.50.0020.0139.06
5.1.40.0010.0159.05
5.1.30.0040.0149.22
5.1.20.0050.0139.23
5.1.10.0040.0149.10
5.1.00.0020.0169.10
5.0.50.0060.0098.34
5.0.40.0020.0138.27
5.0.30.0030.0198.17
5.0.20.0020.0128.16
5.0.10.0020.0128.15
5.0.00.0020.0188.14
4.4.90.0010.0107.42
4.4.80.0030.0107.41
4.4.70.0020.0107.41
4.4.60.0020.0107.41
4.4.50.0040.0077.42
4.4.40.0010.0147.38
4.4.30.0030.0087.41
4.4.20.0020.0107.46
4.4.10.0010.0107.46
4.4.00.0030.0147.41
4.3.110.0020.0097.37
4.3.100.0020.0097.37
4.3.90.0010.0107.35
4.3.80.0020.0177.32
4.3.70.0040.0117.35
4.3.60.0060.0097.34
4.3.50.0030.0117.35
4.3.40.0050.0127.30
4.3.30.0020.0126.67
4.3.20.0030.0126.66
4.3.10.0030.0106.64
4.3.00.0020.01012.46

preferences:
41.32 ms | 400 KiB | 5 Q