3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(preg_match("/(?=\xe3\x80\x80)/u", "\xe3\x80\x80")); var_dump(preg_replace("/(?=\xe3\x80\x80)/u", 'xxx', "\xe3\x80\x80"));

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)
8.3.60.0130.00316.63
8.3.50.0090.01022.11
8.3.40.0130.00318.85
8.3.30.0100.00718.91
8.3.20.0070.00020.39
8.3.10.0050.00323.65
8.3.00.0000.00819.66
8.2.180.0150.00416.63
8.2.170.0130.00322.96
8.2.160.0140.00320.32
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0080.00021.10
8.2.110.0110.01122.45
8.2.100.0030.01217.66
8.2.90.0000.00819.14
8.2.80.0080.00317.97
8.2.70.0060.00317.63
8.2.60.0050.00317.68
8.2.50.0090.00018.07
8.2.40.0050.00319.94
8.2.30.0040.00418.09
8.2.20.0050.00317.82
8.2.10.0000.00717.96
8.2.00.0040.00417.68
8.1.280.0030.01225.92
8.1.270.0080.00023.84
8.1.260.0000.00726.35
8.1.250.0000.00828.09
8.1.240.0030.00623.67
8.1.230.0060.00619.05
8.1.220.0000.00817.74
8.1.210.0030.00518.77
8.1.200.0030.00617.23
8.1.190.0080.00017.23
8.1.180.0040.00418.10
8.1.170.0050.00318.68
8.1.160.0040.00421.93
8.1.150.0000.00818.74
8.1.140.0000.00717.52
8.1.130.0040.00417.66
8.1.120.0000.00717.50
8.1.110.0000.00717.49
8.1.100.0070.00017.52
8.1.90.0000.00817.46
8.1.80.0030.00317.34
8.1.70.0000.00717.48
8.1.60.0040.00417.60
8.1.50.0080.00017.58
8.1.40.0040.00417.47
8.1.30.0030.00517.56
8.1.20.0000.00717.61
8.1.10.0000.00717.57
8.1.00.0000.00817.54
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0040.00418.38
8.0.270.0080.00017.15
8.0.260.0000.00717.07
8.0.250.0030.00316.91
8.0.240.0070.00016.93
8.0.230.0070.00017.02
8.0.220.0060.00016.86
8.0.210.0000.00717.02
8.0.200.0000.00717.04
8.0.190.0000.00816.95
8.0.180.0030.00517.09
8.0.170.0000.00816.90
8.0.160.0040.00417.00
8.0.150.0080.00016.90
8.0.140.0070.00016.94
8.0.130.0030.00313.36
8.0.120.0080.00016.78
8.0.110.0000.00816.80
8.0.100.0040.00416.95
8.0.90.0000.00817.02
8.0.80.0070.01016.95
8.0.70.0050.00216.96
8.0.60.0040.00416.92
8.0.50.0070.00016.95
8.0.30.0110.01017.00
8.0.20.0150.00417.40
8.0.10.0020.00517.05
8.0.00.0090.00916.75
7.4.330.0050.00015.00
7.4.320.0000.00616.59
7.4.300.0030.00316.56
7.4.290.0040.00416.68
7.4.280.0070.00016.48
7.4.270.0000.00716.51
7.4.260.0030.00616.54
7.4.250.0040.00416.53
7.4.240.0020.00516.53
7.4.230.0000.00716.69
7.4.220.0120.00616.68
7.4.210.0030.01016.77
7.4.200.0030.00316.61
7.4.160.0120.00316.61
7.4.150.0100.00717.40
7.4.140.0090.00917.86
7.4.130.0120.00516.50
7.4.120.0070.00916.61
7.4.110.0030.01316.61
7.4.100.0110.00716.57
7.4.90.0130.01016.38
7.4.80.0080.01519.39
7.4.70.0060.01216.65
7.4.60.0040.01216.41
7.4.50.0040.00416.67
7.4.40.0120.00416.68
7.4.30.0030.01416.69
7.4.00.0070.01015.04
7.3.330.0030.00313.16
7.3.320.0030.00313.14
7.3.310.0030.00316.31
7.3.300.0030.00316.21
7.3.290.0140.00016.39
7.3.280.0110.00916.36
7.3.270.0170.00717.40
7.3.260.0040.01516.51
7.3.250.0060.01116.33
7.3.240.0030.01416.35
7.3.230.0130.00316.39
7.3.210.0180.00016.46
7.3.200.0130.00319.39
7.3.190.0090.00816.32
7.3.180.0140.00716.19
7.3.170.0130.00316.58
7.3.160.0130.00316.46
7.3.120.0030.01514.98
7.2.330.0030.01516.56
7.2.320.0070.01016.50
7.2.310.0070.01116.61
7.2.300.0060.01016.58
7.2.290.0120.00316.50
7.2.00.0130.00819.01
7.1.100.0000.01118.24
7.1.70.0000.00817.35
7.1.60.0030.01819.70
7.1.50.0120.00917.04
7.1.00.0030.07722.50
7.0.200.1050.00314.91
7.0.140.0030.07022.09
7.0.60.0030.04019.85
7.0.50.0100.03317.84
7.0.40.0070.05320.26
7.0.30.0230.05320.21
7.0.20.0330.06720.19
7.0.10.0100.05320.05
7.0.00.0100.07320.14
5.6.280.0030.07320.89
5.6.210.0130.06720.55
5.6.200.0030.04718.14
5.6.190.0030.08320.57
5.6.180.3170.04320.39
5.6.170.0230.05020.38
5.6.160.0100.08020.44
5.6.150.0030.04318.22
5.6.140.0030.04018.08
5.6.130.0000.05718.11
5.6.120.0130.08021.04
5.6.110.0100.07720.98
5.6.100.0130.07321.02
5.6.90.0070.03720.97
5.6.80.0170.06320.41
5.6.70.4470.03720.38
5.5.350.0130.07720.36
5.5.340.0000.06018.04
5.5.330.0070.04320.44
5.5.320.3500.04720.18
5.5.310.0270.05320.30
5.5.300.0000.08318.01
5.5.290.0130.08017.90
5.5.280.0230.06720.84
5.5.270.0070.04020.76
5.5.260.0000.04320.76
5.5.250.0170.06020.68
5.5.240.0170.07020.18
5.4.450.0400.04719.45
5.4.440.0100.04719.54
5.4.430.0200.06319.56
5.4.420.0270.05019.39
5.4.410.0270.06018.97
5.4.400.0170.03719.09
5.4.390.0200.04019.16
5.4.380.0130.04318.93
5.4.370.0170.05319.07
5.4.360.0230.05018.88
5.4.350.0230.06319.13
5.4.340.0100.05019.07
5.4.320.0230.06318.91
5.4.310.0170.06018.77
5.4.300.0200.04319.08
5.4.290.0130.04319.23
5.4.280.0270.07019.08
5.4.270.0230.06318.77
5.4.260.0100.04719.11
5.4.250.0200.05319.12
5.4.240.0230.04019.16
5.4.230.0170.03718.93
5.4.220.0130.04019.23
5.4.210.0400.06718.88
5.4.200.0100.04318.76
5.4.190.0170.04019.20
5.4.180.0230.03019.12
5.4.170.0170.03718.79
5.4.160.0200.03719.22
5.4.150.0270.06718.91
5.4.140.0100.04716.29
5.4.130.0270.06016.17
5.4.120.0100.06016.28
5.4.110.0170.05316.30
5.4.100.0200.04016.38
5.4.90.0230.07016.50
5.4.80.0400.04316.19
5.4.70.0200.05316.37
5.4.60.0230.05716.39
5.4.50.0270.06316.36
5.4.40.0200.06716.43
5.4.30.0200.07316.31
5.4.20.0170.05716.13
5.4.10.0130.05016.15
5.4.00.0200.04315.63
5.3.290.0030.05314.56
5.3.280.0070.03314.46
5.3.270.0230.07014.45
5.3.260.1970.04014.46
5.3.250.1930.04314.43
5.3.240.2030.04314.55
5.3.230.1800.03314.53
5.3.220.1770.04014.50
5.3.210.1930.04714.66
5.3.200.1770.03314.40
5.3.190.2100.04314.65
5.3.180.1730.04314.65
5.3.170.1930.04714.57
5.3.160.1770.04014.50
5.3.150.2000.04714.40
5.3.140.2070.04014.64
5.3.130.2170.03314.45
5.3.120.1970.04314.39
5.3.110.1930.04014.38
5.3.100.2130.03713.94
5.3.90.2070.04013.96
5.3.80.2100.03313.96
5.3.70.2100.04014.11
5.3.60.2030.04713.79
5.3.50.2100.04313.82
5.3.40.2070.04013.85
5.3.30.2100.04313.73
5.3.20.1970.04013.46
5.3.10.1930.03313.61
5.3.00.1930.03313.54
5.2.170.1770.04310.99
5.2.160.1570.02711.20
5.2.150.1530.03011.20
5.2.140.1570.02711.00
5.2.130.1570.02311.18
5.2.120.1570.03011.26
5.2.110.1730.03711.17
5.2.100.1500.03711.25
5.2.90.1600.03011.04
5.2.80.1600.03310.93
5.2.70.1830.03311.11
5.2.60.1500.03010.89
5.2.50.1530.03010.88
5.2.40.1270.03310.87
5.2.30.1430.03711.05
5.2.20.1300.02711.01
5.2.10.0200.05010.94
5.2.00.0000.03710.86
5.1.60.0000.0409.97
5.1.50.0000.0309.88
5.1.40.0000.02710.05
5.1.30.0830.02710.29
5.1.20.1300.02710.21
5.1.10.1230.02710.00
5.1.00.1200.02710.23
5.0.50.0870.0278.59
5.0.40.0700.0208.38
5.0.30.0600.0338.19
5.0.20.0600.0208.17
5.0.10.0600.0208.09
5.0.00.0830.0338.24
4.4.90.0670.0177.95
4.4.80.0670.0207.95
4.4.70.0670.0137.95
4.4.60.0770.0237.95
4.4.50.0830.0177.95
4.4.40.0570.0277.95
4.4.30.0770.0237.95
4.4.20.0700.0177.95
4.4.10.0570.0177.95
4.4.00.0600.0237.95
4.3.110.0000.0177.95
4.3.100.0000.0207.95
4.3.90.0030.0377.95
4.3.80.0000.0277.95
4.3.70.0000.0237.95
4.3.60.0000.0307.95
4.3.50.0000.0207.95
4.3.40.0430.0377.95
4.3.30.0430.0337.95
4.3.20.0430.0337.95
4.3.10.0370.0177.95
4.3.00.0430.0277.95

preferences:
49.78 ms | 400 KiB | 5 Q