3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(preg_match('/./u', "\xf8\xa1\xa1\xa1\xa1")); var_dump(preg_match('/./u', "\xfc\xa1\xa1\xa1\xa1\xa1"));

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)
8.3.60.0110.01118.43
8.3.50.0080.00722.12
8.3.40.0070.00718.82
8.3.30.0100.00318.92
8.3.20.0040.00420.20
8.3.10.0030.00722.14
8.3.00.0040.00422.52
8.2.180.0140.00725.92
8.2.170.0120.00319.00
8.2.160.0100.00320.78
8.2.150.0060.00324.18
8.2.140.0030.00624.66
8.2.130.0070.00026.16
8.2.120.0040.00417.75
8.2.110.0070.00321.04
8.2.100.0040.00817.91
8.2.90.0050.00317.63
8.2.80.0000.00818.91
8.2.70.0060.00317.80
8.2.60.0050.00318.03
8.2.50.0000.00818.10
8.2.40.0040.00419.21
8.2.30.0040.00418.00
8.2.20.0040.00417.73
8.2.10.0040.00417.75
8.2.00.0000.00717.77
8.1.280.0040.01125.92
8.1.270.0040.00424.66
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0060.00323.84
8.1.230.0090.00322.63
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0050.00517.35
8.1.190.0000.00818.98
8.1.180.0000.00818.10
8.1.170.0030.00618.73
8.1.160.0040.00418.71
8.1.150.0040.00418.70
8.1.140.0000.00717.51
8.1.130.0040.00417.33
8.1.120.0080.00017.50
8.1.110.0040.00417.39
8.1.100.0000.00717.50
8.1.90.0030.00417.41
8.1.80.0000.00717.38
8.1.70.0070.00017.44
8.1.60.0000.00717.65
8.1.50.0000.00717.51
8.1.40.0000.00817.55
8.1.30.0030.00517.63
8.1.20.0040.00417.54
8.1.10.0000.00717.50
8.1.00.0000.00817.35
8.0.300.0040.00418.77
8.0.290.0050.00316.75
8.0.280.0030.00318.38
8.0.270.0030.00317.02
8.0.260.0050.00517.00
8.0.250.0030.00317.09
8.0.240.0000.01017.02
8.0.230.0030.00317.09
8.0.220.0070.00016.86
8.0.210.0030.00416.98
8.0.200.0030.00316.98
8.0.190.0030.00517.01
8.0.180.0020.00517.02
8.0.170.0070.00017.02
8.0.160.0070.00016.83
8.0.150.0000.00816.80
8.0.140.0000.00816.92
8.0.130.0060.00013.27
8.0.120.0000.00716.94
8.0.110.0040.00416.82
8.0.100.0000.00817.02
8.0.90.0040.00417.03
8.0.80.0090.00916.88
8.0.70.0040.00416.86
8.0.60.0070.00016.78
8.0.50.0050.00216.94
8.0.30.0110.00917.08
8.0.20.0110.00817.40
8.0.10.0030.00316.92
8.0.00.0090.00816.95
7.4.330.0000.00515.00
7.4.320.0030.00316.64
7.4.300.0030.00316.58
7.4.290.0070.00016.47
7.4.280.0040.00416.68
7.4.270.0030.00316.50
7.4.260.0000.00816.67
7.4.250.0040.00416.46
7.4.240.0000.00716.59
7.4.230.0000.00816.47
7.4.220.0090.00916.63
7.4.210.0060.01616.70
7.4.200.0050.00216.45
7.4.190.0000.00716.52
7.4.160.0030.01316.59
7.4.150.0140.00417.40
7.4.140.0060.01217.86
7.4.130.0090.00816.54
7.4.120.0110.00916.51
7.4.110.0100.00716.55
7.4.100.0120.00616.55
7.4.90.0150.00316.49
7.4.80.0090.01219.39
7.4.70.0060.01016.64
7.4.60.0090.00916.59
7.4.50.0030.00316.54
7.4.40.0080.00322.77
7.4.30.0130.00316.68
7.4.00.0040.00814.81
7.3.330.0020.00213.23
7.3.320.0000.00513.18
7.3.310.0040.00416.47
7.3.300.0030.00316.21
7.3.290.0090.00916.33
7.3.280.0120.00516.36
7.3.270.0120.00617.40
7.3.260.0140.00216.40
7.3.250.0070.01016.40
7.3.240.0070.01416.27
7.3.230.0080.00816.39
7.3.210.0130.00316.46
7.3.200.0030.01719.39
7.3.190.0100.00716.39
7.3.180.0090.00616.54
7.3.170.0120.00916.49
7.3.160.0130.00316.61
7.3.120.0070.01015.02
7.3.110.0130.00314.84
7.3.100.0040.01214.33
7.3.90.0070.01115.04
7.3.80.0090.00614.77
7.3.70.0060.01014.85
7.3.60.0000.01214.69
7.3.50.0100.00314.76
7.3.40.0090.00614.87
7.3.30.0030.01214.93
7.3.20.0100.00316.77
7.3.10.0100.00316.36
7.3.00.0070.00716.71
7.2.330.0090.00916.64
7.2.320.0060.01216.37
7.2.310.0110.00616.42
7.2.300.0030.01316.63
7.2.290.0090.00616.74
7.2.240.0100.01014.90
7.2.230.0090.00615.07
7.2.220.0090.00914.72
7.2.210.0090.00315.02
7.2.200.0100.00615.01
7.2.190.0140.00315.02
7.2.180.0060.00614.91
7.2.170.0000.01214.74
7.2.160.0040.01114.93
7.2.150.0000.01416.88
7.2.140.0060.00617.02
7.2.130.0120.00316.70
7.2.120.0100.00016.95
7.2.110.0040.00716.77
7.2.100.0130.00316.59
7.2.90.0090.00616.70
7.2.80.0090.00317.09
7.2.70.0030.01316.91
7.2.60.0090.00716.89
7.2.50.0100.00317.01
7.2.40.0100.00716.87
7.2.30.0070.00416.63
7.2.20.0030.01216.72
7.2.10.0090.00916.86
7.2.00.0050.01018.08
7.1.330.0000.01515.75
7.1.320.0090.00915.72
7.1.310.0060.00616.05
7.1.300.0070.00715.99
7.1.290.0030.01315.70
7.1.280.0060.00615.88
7.1.270.0070.00715.76
7.1.260.0080.00815.88
7.1.250.0070.01015.49
7.1.200.0040.00715.90
7.1.100.0040.01418.27
7.1.70.0040.00416.95
7.1.60.0030.02219.82
7.1.50.0090.00417.11
7.1.00.0030.07722.49
7.0.200.0000.00816.81
7.0.140.0170.06021.95
7.0.60.0030.08319.96
7.0.50.0070.07017.88
7.0.40.0000.05020.41
7.0.30.0530.07720.34
7.0.20.0300.06320.21
7.0.10.0130.03720.31
7.0.00.0030.07020.10
5.6.280.0030.07321.10
5.6.210.0070.08720.56
5.6.200.0100.05318.16
5.6.190.0070.07720.57
5.6.180.3170.04320.49
5.6.170.0270.05720.48
5.6.160.0100.05020.50
5.6.150.0200.06718.11
5.6.140.0030.07018.17
5.6.130.0000.07018.18
5.6.120.0070.08321.13
5.6.110.0100.05320.99
5.6.100.0030.04020.98
5.6.90.0170.05021.07
5.6.80.0070.05720.47
5.6.70.4570.04020.52
5.5.350.0170.07320.42
5.5.340.0170.07718.00
5.5.330.0070.06720.30
5.5.320.0230.07020.25
5.5.310.0270.07320.07
5.5.300.0100.08017.90
5.5.290.0030.04017.88
5.5.280.0030.08720.71
5.5.270.0130.07320.96
5.5.260.0130.06720.87
5.5.250.0030.05020.57
5.5.240.0130.07720.15
5.4.450.0530.07019.44
5.4.440.0500.05319.60
5.4.430.0300.05319.44
5.4.420.0330.07719.12
5.4.410.0230.04018.90
5.4.400.0130.05018.79
5.4.390.0070.05318.70
5.4.380.0200.05318.49
5.4.370.0170.05018.52
5.4.360.0200.04718.73
5.4.350.0130.05718.55
5.4.340.0200.04718.66
5.4.320.0080.04312.45
5.4.310.0070.04512.45
5.4.300.0060.03712.45
5.4.290.0110.03812.45
5.4.280.0060.03412.34
5.4.270.0100.05319.17
5.4.260.0170.05018.94
5.4.250.0070.06319.07
5.4.240.0100.05319.00
5.4.230.0130.05719.07
5.4.220.0130.05318.95
5.4.210.0100.05019.00
5.4.200.0130.05719.07
5.4.190.0070.05318.87
5.4.180.0130.05318.89
5.4.170.0070.05719.02
5.4.160.0200.05018.96
5.4.150.0100.08018.98
5.4.140.0130.05316.52
5.4.130.0130.04716.45
5.4.120.0200.05016.48
5.4.110.0030.06316.53
5.4.100.0270.04016.52
5.4.90.0130.04716.44
5.4.80.0200.04716.48
5.4.70.0100.05316.50
5.4.60.0070.05016.42
5.4.50.0200.06016.52
5.4.40.0130.04716.38
5.4.30.0100.04716.52
5.4.20.0100.05016.59
5.4.10.0100.06716.33
5.4.00.0170.06015.83
5.3.290.0100.03712.80
5.3.280.0100.05014.78
5.3.270.0070.05314.74
5.3.260.0130.05314.77
5.3.250.0270.04314.39
5.3.240.0100.05014.77
5.3.230.0200.04714.70
5.3.220.0100.07014.71
5.3.210.0070.06314.71
5.3.200.0100.07314.38
5.3.190.0170.04314.73
5.3.180.0130.05314.69
5.3.170.0200.06014.55
5.3.160.0170.06714.64
5.3.150.0070.05314.72
5.3.140.0130.05014.54
5.3.130.0070.08014.69
5.3.120.0070.05314.73
5.3.110.0030.06714.74
5.3.100.0070.05314.18
5.3.90.0130.04314.17
5.3.80.0070.05314.09
5.3.70.0030.05314.00
5.3.60.0130.05313.98
5.3.50.0170.05314.12
5.3.40.0170.04313.93
5.3.30.0000.06314.01
5.3.20.0070.05713.76
5.3.10.0070.05713.70
5.3.00.0200.04313.75
5.2.170.0100.04311.07
5.2.160.0070.04011.27
5.2.150.0100.04311.13
5.2.140.0100.05311.27
5.2.130.0130.03311.22
5.2.120.0030.05311.25
5.2.110.0130.03711.20
5.2.100.0100.03710.90
5.2.90.0100.04011.31
5.2.80.0100.04310.91
5.2.70.0130.03711.07
5.2.60.0130.05310.86
5.2.50.0070.05311.21
5.2.40.0030.04311.12
5.2.30.0100.04011.07
5.2.20.0130.04010.77
5.2.10.0070.04710.96
5.2.00.0170.03710.56
5.1.60.0070.03310.11
5.1.50.0030.0409.98
5.1.40.0070.04010.28
5.1.30.0130.04310.20
5.1.20.0200.02310.48
5.1.10.0070.04310.39
5.1.00.0070.04010.05
5.0.50.0030.0308.58
5.0.40.0070.0378.68
5.0.30.0100.0378.36
5.0.20.0070.0278.16
5.0.10.0030.0278.45
5.0.00.0100.0438.41
4.4.90.0070.0277.12
4.4.80.0000.0237.12
4.4.70.0000.0237.11
4.4.60.0000.0237.11
4.4.50.0070.0277.11
4.4.40.0030.0337.11
4.4.30.0030.0277.11
4.4.20.0070.0277.11
4.4.10.0030.0307.11
4.4.00.0030.0337.11
4.3.110.0000.0307.11
4.3.100.0130.0237.11
4.3.90.0070.0207.11
4.3.80.0000.0507.11
4.3.70.0030.0207.11
4.3.60.0100.0177.11
4.3.50.0070.0207.11
4.3.40.0030.0337.11
4.3.30.0070.0177.11
4.3.20.0100.0207.11
4.3.10.0070.0177.11
4.3.00.0000.0236.09

preferences:
50.22 ms | 401 KiB | 5 Q