3v4l.org

run code in 300+ PHP versions simultaneously
<?php $name = "<\? echo 'ool';"; if (preg_match("#<\?#", $name)) { print_r('ko'); } else { print_r('ok'); }

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)
8.3.60.0120.00916.75
8.3.50.0050.01522.05
8.3.40.0070.00718.84
8.3.30.0080.00618.67
8.3.20.0040.00420.20
8.3.10.0000.00723.52
8.3.00.0030.00619.50
8.2.180.0170.00018.41
8.2.170.0090.00622.96
8.2.160.0100.00322.13
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0080.00026.16
8.2.120.0030.01017.63
8.2.110.0040.00722.16
8.2.100.0060.00617.80
8.2.90.0080.00019.09
8.2.80.0040.00417.97
8.2.70.0000.01117.63
8.2.60.0080.00017.90
8.2.50.0080.00018.07
8.2.40.0050.00319.41
8.2.30.0030.00520.57
8.2.20.0000.00817.76
8.2.10.0040.00418.05
8.2.00.0000.00818.11
8.1.280.0120.00325.92
8.1.270.0070.00323.96
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0030.00622.48
8.1.230.0120.00017.66
8.1.220.0060.00317.74
8.1.210.0040.00418.77
8.1.200.0030.00617.36
8.1.190.0060.00317.22
8.1.180.0070.00018.10
8.1.170.0030.00619.05
8.1.160.0000.00722.02
8.1.150.0000.00718.71
8.1.140.0000.00819.38
8.1.130.0040.00417.66
8.1.120.0000.00817.54
8.1.110.0040.00417.43
8.1.100.0070.00017.44
8.1.90.0040.00417.54
8.1.80.0000.00717.59
8.1.70.0000.00817.60
8.1.60.0060.00317.61
8.1.50.0090.00017.64
8.1.40.0040.00417.65
8.1.30.0040.00417.77
8.1.20.0030.00517.63
8.1.10.0000.00717.59
8.1.00.0040.00417.48
8.0.300.0050.00218.77
8.0.290.0040.00416.75
8.0.280.0030.00318.40
8.0.270.0000.00717.20
8.0.260.0060.00017.30
8.0.250.0070.00017.07
8.0.240.0040.00417.13
8.0.230.0000.00717.07
8.0.220.0000.00716.95
8.0.210.0070.00016.98
8.0.200.0040.00416.89
8.0.190.0040.00416.91
8.0.180.0040.00416.93
8.0.170.0070.00016.96
8.0.160.0070.00016.88
8.0.150.0000.00816.92
8.0.140.0040.00416.87
8.0.130.0030.00313.40
8.0.120.0000.00816.88
8.0.110.0070.00016.89
8.0.100.0070.00016.96
8.0.90.0000.00716.95
8.0.80.0090.00616.90
8.0.70.0040.00416.93
8.0.60.0000.00716.77
8.0.50.0030.00516.85
8.0.30.0180.00317.15
8.0.20.0100.00917.40
8.0.10.0070.00016.93
8.0.00.0050.01216.80
7.4.330.0000.00615.11
7.4.320.0030.00316.72
7.4.300.0030.00316.59
7.4.290.0000.00816.65
7.4.280.0040.00416.72
7.4.270.0000.00716.65
7.4.260.0000.00716.56
7.4.250.0070.00016.74
7.4.240.0070.00016.66
7.4.230.0000.00716.72
7.4.220.0060.01616.77
7.4.210.0090.00616.86
7.4.200.0030.00316.44
7.4.160.0030.01216.59
7.4.150.0110.00817.40
7.4.140.0130.00717.86
7.4.130.0100.00816.58
7.4.120.0140.00616.70
7.4.110.0100.01016.59
7.4.100.0150.00316.58
7.4.90.0060.01116.53
7.4.80.0120.00419.39
7.4.70.0060.01216.71
7.4.60.0060.01016.68
7.4.50.0040.00416.45
7.4.40.0070.01016.83
7.4.30.0160.00716.77
7.4.00.0050.01114.95
7.3.330.0020.00213.22
7.3.320.0000.00513.16
7.3.310.0050.00216.33
7.3.300.0030.00316.19
7.3.290.0040.01116.28
7.3.280.0070.00916.24
7.3.270.0120.00417.40
7.3.260.0120.00816.31
7.3.250.0090.00916.33
7.3.240.0100.00616.29
7.3.230.0000.01816.39
7.3.210.0100.00616.54
7.3.200.0100.01016.39
7.3.190.0060.00916.27
7.3.180.0130.00316.25
7.3.170.0090.01216.79
7.3.160.0070.01016.36
7.3.120.0120.00614.56
7.3.110.0100.00715.04
7.3.100.0060.01014.90
7.3.90.0030.00714.59
7.3.80.0060.00615.05
7.3.70.0060.00314.95
7.3.60.0080.00814.71
7.3.50.0030.00614.64
7.3.40.0100.00314.41
7.3.30.0070.00314.93
7.3.20.0090.00616.42
7.3.10.0030.01016.47
7.3.00.0110.00016.47
7.2.330.0060.01216.63
7.2.320.0100.01016.78
7.2.310.0070.01016.41
7.2.300.0140.00616.56
7.2.290.0060.01816.52
7.2.250.0070.01115.03
7.2.240.0130.00614.72
7.2.230.0030.01014.72
7.2.220.0090.00615.18
7.2.210.0030.00915.23
7.2.200.0070.00714.86
7.2.190.0070.01015.25
7.2.180.0040.00714.92
7.2.170.0070.00715.00
7.2.00.0030.00919.54
7.1.330.0090.00616.06
7.1.320.0060.00315.85
7.1.310.0030.00815.90
7.1.300.0030.01315.93
7.1.290.0100.00315.96
7.1.280.0030.01315.87
7.1.270.0110.00315.94
7.1.260.0000.01315.66
7.1.100.0060.00618.32
7.1.70.0030.00717.19
7.1.60.0120.01219.43
7.1.50.0100.00316.96
7.1.00.0070.07322.45
7.0.200.0460.00914.12
7.0.60.0100.06719.93
7.0.50.0030.04017.90
7.0.40.0070.04020.23
7.0.30.0130.04720.14
7.0.20.0200.07020.16
7.0.10.0070.07720.03
7.0.00.0130.07720.10
5.6.280.0030.03320.98
5.6.210.0030.04020.69
5.6.200.0070.08018.16
5.6.190.0030.05020.27
5.6.180.0300.06020.64
5.6.170.0230.04320.50
5.6.160.0030.05320.49
5.6.150.0030.05018.07
5.6.140.0000.04018.12
5.6.130.0030.08018.18
5.6.120.0200.07020.98
5.6.110.0130.08320.95
5.6.100.0070.08021.00
5.6.90.0200.05020.98
5.6.80.0170.06720.45
5.5.350.0300.07320.34
5.5.340.0100.04317.93
5.5.330.0070.08720.23
5.5.320.0230.07320.29
5.5.310.0200.03720.30
5.5.300.0000.04317.89
5.5.290.0100.03317.95
5.5.280.0070.06320.76
5.5.270.0170.08020.79
5.5.260.0130.08020.73
5.5.250.0030.08320.54
5.5.240.0000.05720.37
5.4.450.0300.06319.53
5.4.440.0500.08319.27
5.4.430.0330.07019.47
5.4.420.0370.08019.46
5.4.410.0370.06719.42
5.4.400.0230.05719.27
5.4.390.0330.04319.27
5.4.380.0300.06319.20
5.4.370.0270.04719.16
5.4.360.0330.07018.90
5.4.350.0330.05719.14
5.4.340.0400.06019.14
5.4.320.0300.04318.99
5.4.310.0270.06018.96
5.4.300.0770.07019.24
5.4.290.0630.08318.91
5.4.280.0730.06318.79
5.4.270.0330.05718.77
5.4.260.0600.07019.11
5.4.250.0270.05019.13
5.4.240.0730.07719.19
5.4.230.0170.05019.14
5.4.220.0800.05719.07
5.4.210.0670.05719.23
5.4.200.0070.07019.26
5.4.190.0130.07319.07
5.4.180.0470.05719.27
5.4.170.0070.06718.79
5.4.160.0300.03719.13
5.4.150.0130.07019.25
5.4.140.0100.06316.43
5.4.130.0470.05016.32
5.4.120.0330.06016.46
5.4.110.0100.05716.46
5.4.100.0130.06316.37
5.4.90.0200.05016.30
5.4.80.0130.05716.45
5.4.70.0270.04716.39
5.4.60.0230.05316.51
5.4.50.0170.06316.39
5.4.40.0200.05016.45
5.4.30.0170.05716.03
5.4.20.0200.05316.45
5.4.10.0100.06016.16
5.4.00.0130.06715.67

preferences:
37.02 ms | 401 KiB | 5 Q