3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "test1"; $b = strpos($a, "b"); if($b!=FALSE) { $c = substr($a, $b, $b+2); echo $c; } else { echo "not found"; } ?>

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)
8.3.40.0180.00418.89
8.3.30.0120.00318.89
8.3.20.0040.00420.34
8.3.10.0050.00323.70
8.3.00.0040.00419.38
8.2.170.0030.01722.96
8.2.160.0140.00020.58
8.2.150.0000.00824.18
8.2.140.0000.00724.66
8.2.130.0070.00026.16
8.2.120.0050.00322.26
8.2.110.0070.00319.22
8.2.100.0120.00017.63
8.2.90.0040.00419.21
8.2.80.0080.00017.97
8.2.70.0040.00417.63
8.2.60.0040.00417.93
8.2.50.0080.00018.07
8.2.40.0040.00418.16
8.2.30.0040.00417.99
8.2.20.0050.00217.59
8.2.10.0000.00718.17
8.2.00.0040.00417.79
8.1.270.0000.00822.02
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0060.00323.87
8.1.230.0000.01117.42
8.1.220.0030.00617.74
8.1.210.0060.00318.77
8.1.200.0030.00617.35
8.1.190.0080.00017.52
8.1.180.0080.00018.10
8.1.170.0000.00818.50
8.1.160.0070.00022.00
8.1.150.0040.00418.70
8.1.140.0000.00817.50
8.1.130.0030.00317.70
8.1.120.0030.00617.52
8.1.110.0000.00717.39
8.1.100.0000.00717.53
8.1.90.0040.00417.46
8.1.80.0030.00317.37
8.1.70.0040.00417.41
8.1.60.0050.00317.60
8.1.50.0000.00717.42
8.1.40.0050.00317.53
8.1.30.0000.00817.64
8.1.20.0050.00317.63
8.1.10.0000.00717.57
8.1.00.0060.00317.51
8.0.300.0000.00818.77
8.0.290.0040.00417.05
8.0.280.0040.00418.35
8.0.270.0000.00717.25
8.0.260.0070.00016.82
8.0.250.0030.00316.96
8.0.240.0070.00016.84
8.0.230.0050.00316.91
8.0.220.0000.00716.75
8.0.210.0030.00416.82
8.0.200.0060.00316.84
8.0.190.0090.00016.94
8.0.180.0040.00416.95
8.0.170.0040.00416.88
8.0.160.0030.00316.95
8.0.150.0030.00516.84
8.0.140.0030.00316.73
8.0.130.0000.00613.36
8.0.120.0060.00316.78
8.0.110.0000.00716.89
8.0.100.0050.00216.90
8.0.90.0070.00016.91
8.0.80.0050.01016.88
8.0.70.0040.00416.77
8.0.60.0040.00416.86
8.0.50.0040.00416.75
8.0.30.0090.01016.90
8.0.20.0140.00617.40
8.0.10.0070.00017.07
8.0.00.0080.00816.78
7.4.330.0050.00015.07
7.4.320.0000.00616.64
7.4.300.0030.00316.63
7.4.290.0060.00016.58
7.4.280.0030.00316.51
7.4.270.0000.00816.51
7.4.260.0030.00316.42
7.4.250.0050.00216.47
7.4.240.0050.00216.46
7.4.230.0000.00616.63
7.4.220.0140.00416.55
7.4.210.0100.00416.58
7.4.200.0000.00716.48
7.4.190.0070.00016.70
7.4.160.0090.00616.67
7.4.150.0160.00617.40
7.4.140.0070.00917.86
7.4.130.0080.01116.44
7.4.120.0090.00816.49
7.4.110.0120.00616.39
7.4.100.0040.01416.48
7.4.90.0100.00616.45
7.4.80.0110.00619.39
7.4.70.0090.00816.45
7.4.60.0060.01416.48
7.4.50.0000.00816.45
7.4.40.0030.00922.77
7.4.30.0070.01016.61
7.4.00.0130.00014.96
7.3.330.0060.00013.04
7.3.320.0000.00512.94
7.3.310.0040.00416.34
7.3.300.0030.00316.19
7.3.290.0060.01316.16
7.3.280.0050.01316.20
7.3.270.0140.00317.40
7.3.260.0120.00416.41
7.3.250.0150.00716.37
7.3.240.0110.00716.08
7.3.230.0130.00316.39
7.3.210.0110.00716.22
7.3.200.0070.01519.39
7.3.190.0060.01616.57
7.3.180.0070.01016.50
7.3.170.0060.00916.47
7.3.160.0110.00516.34
7.3.120.0090.00915.02
7.3.10.0030.00916.46
7.3.00.0070.00716.73
7.2.330.0110.00716.33
7.2.320.0070.01016.24
7.2.310.0040.01516.23
7.2.300.0030.01316.67
7.2.290.0120.00416.50
7.2.130.0060.00616.69
7.2.120.0080.00816.60
7.2.110.0040.01116.97
7.2.100.0060.00316.64
7.2.90.0040.01116.68
7.2.80.0070.00716.82
7.2.70.0060.00316.98
7.2.60.0020.01116.90
7.2.50.0040.00716.83
7.2.40.0000.01016.81
7.2.30.0060.00616.81
7.2.20.0030.00516.97
7.2.10.0030.01016.95
7.2.00.0030.00918.13
7.1.250.0090.00615.41
7.1.200.0060.00615.82
7.1.100.0000.01217.86
7.1.70.0000.01117.06
7.1.60.0120.00919.33
7.1.50.0030.01416.89
7.1.00.0000.07722.35
7.0.200.0030.00516.50
7.0.140.0000.07721.95
7.0.100.0070.08020.16
7.0.90.0030.04019.90
7.0.80.0300.04019.86
7.0.70.0030.03719.90
7.0.60.0300.06319.88
7.0.50.0200.07020.30
7.0.40.0170.08020.08
7.0.30.0070.07719.95
7.0.20.0100.08720.08
7.0.10.0130.08020.14
7.0.00.0100.07720.13
5.6.280.0000.07721.04
5.6.250.0000.08320.71
5.6.240.0070.08720.60
5.6.230.0030.05720.59
5.6.220.0070.07320.49
5.6.210.0130.06720.57
5.6.200.0070.04020.95
5.6.190.0030.07021.13
5.6.180.0030.06021.10
5.6.170.0200.07021.01
5.6.160.0170.06721.05
5.6.150.0000.06721.05
5.6.140.0070.08320.96
5.6.130.0170.07721.11
5.6.120.0130.07721.01
5.6.110.0130.08021.15
5.6.100.0030.08320.97
5.6.90.0100.06021.03
5.6.80.0070.08020.42
5.6.70.0170.03320.34
5.6.60.0100.08320.39
5.6.50.0000.08320.44
5.6.40.0100.06720.52
5.6.30.0100.05320.37
5.6.20.0070.08720.30
5.6.10.0070.08320.46
5.6.00.0070.05020.44
5.5.380.0100.05320.36
5.5.370.0000.07320.39
5.5.360.0000.08020.50
5.5.350.0070.07320.34
5.5.340.0070.08020.93
5.5.330.0030.08020.87
5.5.320.0100.08020.92
5.5.310.0070.08320.64
5.5.300.0100.07320.83
5.5.290.0170.07320.85
5.5.280.0100.06320.89
5.5.270.0070.05020.89
5.5.260.0170.07320.75
5.5.250.0100.07720.60
5.5.240.0070.04320.18
5.5.230.0000.07320.15
5.5.220.0100.07320.16
5.5.210.0100.08019.98
5.5.200.0000.07720.27
5.5.190.0100.03720.21
5.5.180.0070.04020.22
5.5.160.0130.06320.11
5.5.150.0230.05320.18
5.5.140.0130.06020.10
5.5.130.0130.03720.27
5.5.120.0000.04320.27
5.5.110.0070.04320.25
5.5.100.0130.07020.02
5.5.90.0030.05720.09
5.5.80.0070.05320.06
5.5.70.0170.06720.06
5.5.60.0100.05720.06
5.5.50.0000.04719.96
5.5.40.0070.04720.14
5.5.30.0070.06719.91
5.5.20.0030.04720.10
5.5.10.0130.04720.00
5.5.00.0070.05020.05
5.4.450.0070.04719.14
5.4.440.0070.04719.11
5.4.430.0100.07319.13
5.4.420.0070.06019.24
5.4.410.0030.08019.34
5.4.400.0170.07319.25
5.4.390.0130.06318.96
5.4.380.0070.07718.96
5.4.370.0000.08319.03
5.4.360.0030.08019.03
5.4.350.0100.08718.98
5.4.340.0100.04018.81
5.4.320.0030.08019.03
5.4.310.0130.07319.12
5.4.300.0070.07319.12
5.4.290.0030.07319.02
5.4.280.0070.07718.94
5.4.270.0000.05719.02
5.4.260.0070.07718.81
5.4.250.0100.03319.14
5.4.240.0130.07018.88
5.4.230.0100.05019.12
5.4.220.0070.04319.07
5.4.210.0070.03318.78
5.4.200.0000.04019.06
5.4.190.0130.03019.05
5.4.180.0030.07019.13
5.4.170.0130.07018.74
5.4.160.0030.07718.88
5.4.150.0170.06718.76
5.4.140.0000.03716.33
5.4.130.0130.06316.35
5.4.120.0000.06016.36
5.4.110.0100.07316.40
5.4.100.0100.07016.36
5.4.90.0100.06016.33
5.4.80.0030.04016.40
5.4.70.0070.07016.43
5.4.60.0170.06316.28
5.4.50.0000.05716.38
5.4.40.0100.05716.46
5.4.30.0070.07016.30
5.4.20.0030.07316.18
5.4.10.0130.03716.23
5.4.00.0170.06315.81
5.3.290.0200.06014.61
5.3.280.0030.04714.54
5.3.270.0030.08014.58
5.3.260.0100.07714.42
5.3.250.0030.08714.45
5.3.240.0100.04314.45
5.3.230.0130.07014.57
5.3.220.0100.07714.53
5.3.210.0130.03714.56
5.3.200.0000.07714.54
5.3.190.0170.06714.39
5.3.180.0000.04714.42
5.3.170.0100.07314.52
5.3.160.0000.04714.52
5.3.150.0030.07314.52
5.3.140.0030.08314.55
5.3.130.0170.06714.53
5.3.120.0070.06714.38
5.3.110.0230.06014.53
5.3.100.0000.08014.06
5.3.90.0030.08014.00
5.3.80.0030.08713.77
5.3.70.0170.06313.87
5.3.60.0070.07013.99
5.3.50.0130.06313.71
5.3.40.0030.07713.94
5.3.30.0130.06313.66
5.3.20.0030.06013.67
5.3.10.0070.04713.64
5.3.00.0070.07713.59
5.2.170.0070.06011.00
5.2.160.0070.03711.19
5.2.150.0070.03711.06
5.2.140.0070.06011.13
5.2.130.0000.06010.93
5.2.120.0130.05311.09
5.2.110.0030.05311.01
5.2.100.0030.06311.09
5.2.90.0070.05711.10
5.2.80.0030.05311.14
5.2.70.0170.05011.16
5.2.60.0070.04710.84
5.2.50.0000.04010.96
5.2.40.0000.03011.04
5.2.30.0030.06310.76
5.2.20.0070.06010.92
5.2.10.0070.02310.77
5.2.00.0030.02710.65
5.1.60.0030.02310.05
5.1.50.0030.0239.99
5.1.40.0000.0279.95
5.1.30.0070.02310.38
5.1.20.0000.02710.41
5.1.10.0030.02310.15
5.1.00.0030.02310.05
5.0.50.0070.0179.76
5.0.40.0000.0209.76
5.0.30.0000.0279.76
5.0.20.0030.0209.76
5.0.10.0000.0179.76
5.0.00.0000.0279.76
4.4.90.0000.0209.76
4.4.80.0030.0239.76
4.4.70.0030.0279.76
4.4.60.0030.0179.76
4.4.50.0030.0209.76
4.4.40.0000.0279.76
4.4.30.0000.0179.76
4.4.20.0130.0039.76
4.4.10.0030.0109.76
4.4.00.0030.0279.76
4.3.110.0030.0109.76
4.3.100.0000.0139.76
4.3.90.0030.0109.76
4.3.80.0000.0209.76
4.3.70.0000.0179.76
4.3.60.0000.0139.76
4.3.50.0000.0179.76
4.3.40.0000.0209.76
4.3.30.0000.0139.76
4.3.20.0000.0139.76
4.3.10.0000.0139.76
4.3.00.0000.0179.76

preferences:
45.71 ms | 400 KiB | 5 Q