3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "yorman"; $str[0] = "ab"; $str[1] = "cd"; var_dump( $str ); echo $str;

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)
8.3.40.0040.01118.67
8.3.30.0130.00720.17
8.3.20.0080.00020.38
8.3.10.0000.00721.05
8.3.00.0040.00423.71
8.2.170.0150.00622.96
8.2.160.0130.00320.09
8.2.150.0050.00324.18
8.2.140.0120.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00420.95
8.2.110.0060.00322.07
8.2.100.0040.00717.78
8.2.90.0040.00419.08
8.2.80.0060.00319.21
8.2.70.0030.00617.63
8.2.60.0080.00017.93
8.2.50.0040.00418.07
8.2.40.0000.00918.28
8.2.30.0040.00419.48
8.2.20.0050.00317.65
8.2.10.0040.00417.71
8.2.00.0070.00017.66
8.1.270.0040.00423.99
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0100.00022.48
8.1.230.0030.00720.95
8.1.220.0000.00818.77
8.1.210.0040.00418.96
8.1.200.0070.00317.48
8.1.190.0070.00017.53
8.1.180.0050.00318.10
8.1.170.0000.00818.65
8.1.160.0070.00018.84
8.1.150.0000.00818.62
8.1.140.0040.00417.44
8.1.130.0000.00717.73
8.1.120.0000.00717.51
8.1.110.0050.00317.37
8.1.100.0000.00817.45
8.1.90.0000.01017.48
8.1.80.0000.00717.50
8.1.70.0030.00317.40
8.1.60.0030.00617.63
8.1.50.0080.00017.48
8.1.40.0000.00817.41
8.1.30.0040.00417.60
8.1.20.0050.00217.51
8.1.10.0040.00417.53
8.1.00.0030.00617.42
8.0.300.0040.00420.03
8.0.290.0040.00417.16
8.0.280.0040.00418.35
8.0.270.0000.00717.25
8.0.260.0030.00316.88
8.0.250.0100.00017.00
8.0.240.0000.00916.95
8.0.230.0000.00716.90
8.0.220.0000.00816.97
8.0.210.0030.00316.79
8.0.200.0000.00716.98
8.0.190.0000.00717.00
8.0.180.0040.00416.94
8.0.170.0000.00716.98
8.0.160.0000.00717.04
8.0.150.0000.00816.80
8.0.140.0000.00716.76
8.0.130.0030.00313.34
8.0.120.0000.00816.94
8.0.110.0070.00016.96
8.0.100.0040.00416.75
8.0.90.0000.00716.84
8.0.80.0070.00716.91
8.0.70.0040.00416.82
8.0.60.0050.00316.80
8.0.50.0040.00416.83
8.0.30.0160.00417.04
8.0.20.0150.00717.40
8.0.10.0080.00016.94
8.0.00.0090.00816.98
7.4.330.0050.00014.87
7.4.320.0030.00316.51
7.4.300.0060.00016.41
7.4.290.0040.00416.43
7.4.280.0040.00416.49
7.4.270.0030.00316.59
7.4.260.0050.00013.27
7.4.250.0030.00316.48
7.4.240.0030.00316.46
7.4.230.0030.00316.39
7.4.220.0070.01116.52
7.4.210.0050.01116.60
7.4.200.0000.00816.39
7.4.190.0030.00516.68
7.4.160.0110.00616.42
7.4.150.0210.01017.40
7.4.140.0100.00817.86
7.4.130.0060.01116.59
7.4.120.0080.01016.48
7.4.110.0040.01216.34
7.4.100.0070.01016.43
7.4.90.0030.01416.54
7.4.80.0060.01519.39
7.4.70.0070.01516.58
7.4.60.0100.00616.45
7.4.50.0080.00016.16
7.4.40.0070.00422.77
7.4.30.0130.00516.56
7.4.00.0100.00615.15
7.3.330.0030.00313.12
7.3.320.0030.00313.04
7.3.310.0000.00716.33
7.3.300.0050.00216.13
7.3.290.0070.00716.29
7.3.280.0080.00716.32
7.3.270.0110.00617.40
7.3.260.0090.00918.24
7.3.250.0050.01216.35
7.3.240.0090.00916.51
7.3.230.0080.00816.40
7.3.210.0060.01516.36
7.3.200.0100.01019.39
7.3.190.0150.00716.38
7.3.180.0080.01516.43
7.3.170.0000.01716.27
7.3.160.0090.01216.44
7.3.120.0030.01414.91
7.3.10.0080.00516.62
7.3.00.0060.00616.52
7.2.330.0080.01116.40
7.2.320.0110.00716.28
7.2.310.0100.01016.56
7.2.300.0090.00916.44
7.2.290.0130.00316.29
7.2.130.0030.01216.85
7.2.120.0040.00816.80
7.2.110.0060.00316.88
7.2.100.0050.00816.68
7.2.90.0040.00716.68
7.2.80.0000.01116.80
7.2.70.0060.00616.78
7.2.60.0030.00916.90
7.2.50.0070.00316.85
7.2.40.0030.00916.82
7.2.30.0080.00416.72
7.2.20.0040.00816.55
7.2.10.0060.00316.88
7.2.00.0000.01016.71
7.1.250.0040.00815.45
7.1.200.0000.01215.84
7.1.70.0090.00017.12
7.1.60.0100.01319.17
7.1.50.0090.01316.62
7.1.00.0030.05722.54
7.0.200.0040.00416.85
7.0.140.0030.06722.09
7.0.100.0070.08020.03
7.0.90.0070.04719.93
7.0.80.0070.04020.01
7.0.70.0370.04719.90
7.0.60.0270.06319.88
7.0.50.0170.07020.28
7.0.40.0030.05020.07
7.0.30.0030.05320.08
7.0.20.0070.08020.11
7.0.10.0130.07020.04
7.0.00.0030.08319.95
5.6.280.0030.07320.80
5.6.250.0200.06020.77
5.6.240.0070.06720.68
5.6.230.0070.07020.49
5.6.220.0100.08020.70
5.6.210.0070.08320.48
5.6.200.0170.07721.09
5.6.190.0130.06321.04
5.6.180.0100.05321.01
5.6.170.0030.05321.05
5.6.160.0030.06021.05
5.6.150.0000.09021.16
5.6.140.0130.08321.03
5.6.130.0100.07321.07
5.6.120.0030.04721.09
5.6.110.0100.07721.15
5.6.100.0030.08321.02
5.6.90.0030.06020.99
5.6.80.0070.08020.46
5.6.70.0000.08320.30
5.6.60.0070.04720.28
5.6.50.0100.05020.39
5.6.40.0070.03320.39
5.6.30.0070.06720.43
5.6.20.0100.03020.34
5.6.10.0100.04020.43
5.6.00.0130.07020.43
5.5.380.0070.05320.54
5.5.370.0100.04020.39
5.5.360.0130.07020.34
5.5.350.0130.05020.34
5.5.340.0030.04720.75
5.5.330.0100.07020.82
5.5.320.0070.04320.64
5.5.310.0000.08720.82
5.5.300.0030.08020.89
5.5.290.0200.03020.76
5.5.280.0230.03320.63
5.5.270.0000.05020.79
5.5.260.0100.05320.86
5.5.250.0070.08320.57
5.5.240.0030.07020.21
5.5.230.0100.07320.10
5.5.220.0100.04320.12
5.5.210.0000.08020.25
5.5.200.0030.03720.27
5.5.190.0030.05020.27
5.5.180.0070.03320.26
5.5.160.0000.04020.22
5.5.150.0070.07320.22
5.5.140.0000.08720.26
5.5.130.0030.05719.98
5.5.120.0030.05320.27
5.5.110.0000.04020.24
5.5.100.0170.05720.04
5.5.90.0030.05320.05
5.5.80.0100.05320.14
5.5.70.0030.07320.11
5.5.60.0070.06720.13
5.5.50.0030.04020.13
5.5.40.0030.03320.14
5.5.30.0100.04719.94
5.5.20.0100.04020.05
5.5.10.0000.04020.05
5.5.00.0030.03319.98
5.4.450.0100.08319.40
5.4.440.0100.08319.44
5.4.430.0000.04719.26
5.4.420.0030.04719.23
5.4.410.0000.03719.34
5.4.400.0130.07018.81
5.4.390.0030.07018.78
5.4.380.0130.06018.90
5.4.370.0130.08019.11
5.4.360.0030.05019.03
5.4.350.0030.03719.12
5.4.340.0030.04318.96
5.4.320.0000.08719.08
5.4.310.0170.06019.23
5.4.300.0100.07018.89
5.4.290.0070.03319.04
5.4.280.0030.07019.03
5.4.270.0070.06318.78
5.4.260.0070.06319.09
5.4.250.0070.07319.09
5.4.240.0100.06718.89
5.4.230.0100.07318.89
5.4.220.0030.05718.80
5.4.210.0070.07719.02
5.4.200.0030.07718.89
5.4.190.0200.04318.93
5.4.180.0030.03318.77
5.4.170.0130.06718.99
5.4.160.0070.07018.76
5.4.150.0070.04019.04
5.4.140.0000.04316.27
5.4.130.0100.05316.09
5.4.120.0130.06316.28
5.4.110.0030.03316.34
5.4.100.0030.08016.44
5.4.90.0170.04316.43
5.4.80.0000.04316.20
5.4.70.0070.02716.24
5.4.60.0000.07716.38
5.4.50.0100.06316.21
5.4.40.0070.04016.46
5.4.30.0070.06316.17
5.4.20.0030.06316.17
5.4.10.0100.06016.34
5.4.00.0030.07715.72
5.3.290.0030.03714.64
5.3.280.0070.07014.44
5.3.270.0100.07014.58
5.3.260.0070.07714.46
5.3.250.0070.08014.54
5.3.240.0130.06714.56
5.3.230.0030.06014.57
5.3.220.0070.03714.42
5.3.210.0100.03014.38
5.3.200.0030.03714.54
5.3.190.0030.04014.41
5.3.180.0030.06314.54
5.3.170.0100.06714.55
5.3.160.0130.03314.55
5.3.150.0100.06014.49
5.3.140.0030.03714.53
5.3.130.0030.04314.40
5.3.120.0030.04014.50
5.3.110.0070.07714.45
5.3.100.0030.03314.02
5.3.90.0030.07013.85
5.3.80.0030.05013.92
5.3.70.0100.06314.00
5.3.60.0100.07013.99
5.3.50.0130.03313.91
5.3.40.0070.06313.87
5.3.30.0070.07013.86
5.3.20.0070.03713.68
5.3.10.0070.04313.58
5.3.00.0070.07713.61
5.2.170.0030.05711.12
5.2.160.0030.04011.00
5.2.150.0200.05011.12
5.2.140.0030.02711.16
5.2.130.0000.03010.91
5.2.120.0000.02711.09
5.2.110.0000.06710.98
5.2.100.0070.05310.93
5.2.90.0030.04310.96
5.2.80.0100.02010.92
5.2.70.0000.06010.91
5.2.60.0000.03011.04
5.2.50.0100.04711.01
5.2.40.0070.03711.05
5.2.30.0030.04310.97
5.2.20.0030.02711.03
5.2.10.0070.05710.88
5.2.00.0100.04310.61
5.1.60.0000.04010.06
5.1.50.0030.0539.84
5.1.40.0030.0409.96
5.1.30.0000.04010.39
5.1.20.0000.03010.26
5.1.10.0030.04310.14
5.1.00.0100.04310.05
5.0.50.0000.0279.57
5.0.40.0000.0179.57
5.0.30.0100.0579.57
5.0.20.0000.0409.57
5.0.10.0030.0309.57
5.0.00.0070.0409.57
4.4.90.0000.0279.57
4.4.80.0000.0179.57
4.4.70.0030.0239.57
4.4.60.0000.0209.57
4.4.50.0030.0239.57
4.4.40.0000.0509.57
4.4.30.0070.0109.57
4.4.20.0000.0179.57
4.4.10.0030.0239.57
4.4.00.0000.0279.57
4.3.110.0000.0209.57
4.3.100.0000.0309.57
4.3.90.0000.0209.57
4.3.80.0000.0339.57
4.3.70.0000.0239.57
4.3.60.0030.0339.57
4.3.50.0070.0309.57
4.3.40.0070.0179.57
4.3.30.0000.0239.57
4.3.20.0000.0209.57
4.3.10.0030.0279.57
4.3.00.0000.0179.57

preferences:
41.65 ms | 400 KiB | 5 Q