3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo substr_compare("Hello World","Wo",6); ?>

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)
8.3.70.0120.00616.58
8.3.60.0230.00016.50
8.3.50.0130.00817.20
8.3.40.0110.00418.55
8.3.30.0040.01118.59
8.3.20.0050.00318.62
8.3.10.0080.00020.53
8.3.00.0080.00019.38
8.2.180.0110.00316.60
8.2.170.0060.00922.96
8.2.160.0100.00720.89
8.2.150.0080.00024.18
8.2.140.0070.00024.66
8.2.130.0070.00026.16
8.2.120.0000.00820.82
8.2.110.0070.00320.81
8.2.100.0110.00017.84
8.2.90.0060.00321.14
8.2.80.0030.00619.46
8.2.70.0000.00817.50
8.2.60.0000.00817.91
8.2.50.0040.00419.35
8.2.40.0040.00418.17
8.2.30.0040.00417.96
8.2.20.0000.00717.46
8.2.10.0060.00317.45
8.2.00.0070.00317.41
8.1.280.0100.00725.92
8.1.270.0040.00424.66
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0060.00322.28
8.1.230.0000.01120.91
8.1.220.0000.00717.74
8.1.210.0000.00818.90
8.1.200.0030.00617.23
8.1.190.0040.00417.53
8.1.180.0050.00318.10
8.1.170.0040.00418.84
8.1.160.0050.00218.65
8.1.150.0000.00818.37
8.1.140.0030.00517.24
8.1.130.0030.00317.66
8.1.120.0040.00417.34
8.1.110.0080.00017.29
8.1.100.0070.00017.18
8.1.90.0040.00417.34
8.1.80.0030.00417.21
8.1.70.0040.00417.19
8.1.60.0040.00417.43
8.1.50.0040.00417.19
8.1.40.0050.00217.36
8.1.30.0030.00517.43
8.1.20.0090.00017.44
8.1.10.0050.00317.42
8.1.00.0080.00017.28
8.0.300.0030.00619.86
8.0.290.0050.00316.75
8.0.280.0070.00018.27
8.0.270.0040.00417.20
8.0.260.0000.00616.74
8.0.250.0000.00716.87
8.0.240.0060.00316.82
8.0.230.0070.00016.81
8.0.220.0070.00016.69
8.0.210.0030.00316.77
8.0.200.0000.00916.88
8.0.190.0040.00416.83
8.0.180.0000.00716.66
8.0.170.0000.00816.67
8.0.160.0040.00416.77
8.0.150.0030.00516.62
8.0.140.0000.00816.73
8.0.130.0050.00013.14
8.0.120.0000.00716.61
8.0.110.0050.00216.61
8.0.100.0000.00716.78
8.0.90.0040.00416.64
8.0.80.0080.00816.71
8.0.70.0080.00016.71
8.0.60.0000.00716.63
8.0.50.0040.00416.79
8.0.30.0120.00917.10
8.0.20.0100.00817.18
8.0.10.0000.00816.67
8.0.00.0130.00616.69
7.4.330.0000.00512.79
7.4.320.0000.00716.32
7.4.300.0030.00316.45
7.4.290.0000.00716.37
7.4.280.0040.00416.31
7.4.270.0070.00016.41
7.4.260.0030.00313.23
7.4.250.0080.00016.45
7.4.240.0000.00716.22
7.4.230.0000.00716.18
7.4.220.0130.00616.33
7.4.210.0100.00516.44
7.4.200.0000.00716.34
7.4.190.0000.00716.54
7.4.160.0160.00016.42
7.4.150.0140.00316.28
7.4.140.0080.01116.29
7.4.130.0070.01416.30
7.4.120.0080.00916.41
7.4.110.0070.01016.40
7.4.100.0090.00916.49
7.4.90.0000.01616.38
7.4.80.0120.00416.41
7.4.70.0080.00816.44
7.4.60.0120.00316.19
7.4.50.0090.00416.21
7.4.40.0070.01016.12
7.4.30.0090.00616.36
7.4.00.0040.00714.94
7.3.330.0060.00012.89
7.3.320.0000.00512.88
7.3.310.0030.00316.16
7.3.300.0070.00016.11
7.3.290.0100.01016.07
7.3.280.0070.00816.08
7.3.270.0070.01016.35
7.3.260.0150.00316.55
7.3.250.0240.00816.24
7.3.240.0090.00615.97
7.3.230.0080.01216.16
7.3.210.0100.00716.40
7.3.200.0090.00919.39
7.3.190.0060.01316.14
7.3.180.0100.00616.31
7.3.170.0060.00916.32
7.3.160.0170.00016.41
7.3.120.0100.00714.46
7.3.110.0110.00614.36
7.3.100.0110.00414.86
7.3.90.0150.00314.51
7.3.80.0150.00314.26
7.3.70.0070.01114.65
7.3.60.0150.00014.68
7.3.50.0100.00714.73
7.3.40.0040.00414.67
7.3.30.0120.00414.60
7.3.20.0120.00316.50
7.3.10.0040.00816.52
7.3.00.0000.01616.11
7.2.330.0060.01216.20
7.2.320.0090.01216.27
7.2.310.0100.00916.54
7.2.300.0060.01016.53
7.2.290.0100.00716.56
7.2.240.0100.01014.72
7.2.230.0050.00914.56
7.2.220.0030.01315.02
7.2.210.0040.01114.94
7.2.200.0000.01914.53
7.2.190.0000.01415.05
7.2.180.0030.01114.93
7.2.170.0000.00915.02
7.2.160.0080.01114.81
7.2.150.0070.01016.68
7.2.140.0090.00316.79
7.2.130.0140.00316.72
7.2.120.0030.01316.80
7.2.110.0130.00316.61
7.2.100.0040.00816.35
7.2.90.0040.00416.66
7.2.80.0090.00316.81
7.2.70.0000.01216.44
7.2.60.0060.00616.85
7.2.50.0030.01016.55
7.2.40.0060.00616.70
7.2.30.0060.00616.69
7.2.20.0000.01116.53
7.2.10.0060.00916.89
7.2.00.0050.00718.01
7.1.330.0070.01015.33
7.1.320.0110.00615.63
7.1.310.0040.01415.36
7.1.300.0090.00615.51
7.1.290.0000.00915.20
7.1.280.0120.00015.57
7.1.270.0070.00715.40
7.1.260.0060.00615.58
7.1.250.0130.00315.65
7.1.100.0070.00317.75
7.1.70.0080.00017.04
7.1.60.0070.01419.40
7.1.50.0100.01316.62
7.1.00.0030.07722.46
7.0.200.0110.00016.43
7.0.140.0070.06322.21
7.0.120.0000.04321.97
7.0.60.0000.05719.83
7.0.50.0130.07017.87
7.0.40.0030.07320.27
7.0.30.0270.04020.30
7.0.20.0230.08720.00
7.0.10.0000.05020.16
7.0.00.0030.05320.19
5.6.280.0100.06720.91
5.6.210.0100.05320.74
5.6.200.0070.08018.21
5.6.190.0030.04320.61
5.6.180.3070.03720.57
5.6.170.0270.08320.45
5.6.160.0070.08020.61
5.6.150.0100.07718.08
5.6.140.0000.06018.12
5.6.130.0030.04018.22
5.6.120.0070.08721.04
5.6.110.0030.04321.01
5.6.100.0030.06721.03
5.6.90.0100.06020.87
5.6.80.0100.07720.50
5.5.350.0300.07720.48
5.5.340.0100.07717.91
5.5.330.0070.05720.37
5.5.320.2370.04320.21
5.5.310.0400.07720.34
5.5.300.0070.06717.91
5.5.290.0070.07317.98
5.5.280.0030.06720.88
5.5.270.0070.08020.95
5.5.260.0100.03720.67
5.5.250.0130.07320.57
5.5.240.0030.03720.32
5.4.450.0100.07019.25
5.4.440.0070.04019.11
5.4.430.0100.06719.46
5.4.420.0100.06019.46
5.4.410.0000.06019.12
5.4.400.0130.06718.80
5.4.390.0100.06719.15
5.4.380.0100.04719.00
5.4.370.0130.07019.16
5.4.360.0030.05718.79
5.4.350.0070.07719.08
5.4.340.0070.05018.91
5.4.320.0000.06719.09
5.4.310.0070.07719.16
5.4.300.0130.06319.17
5.4.290.0200.04019.18
5.4.280.0100.08019.09
5.4.270.0030.08019.08
5.4.260.0100.04318.78
5.4.250.0100.05718.78
5.4.240.0070.04319.13
5.4.230.0070.06019.13
5.4.220.0030.04019.07
5.4.210.0030.03719.01
5.4.200.0070.03318.78
5.4.190.0030.03719.07
5.4.180.0070.03319.16
5.4.170.0000.04018.99
5.4.160.0000.04019.17
5.4.150.0030.03719.15
5.4.140.0030.04716.29
5.4.130.0000.04016.33
5.4.120.0100.03316.33
5.4.110.0070.03716.29
5.4.100.0030.03316.27
5.4.90.0070.03016.41
5.4.80.0070.03016.30
5.4.70.0070.03716.59
5.4.60.0100.03016.30
5.4.50.0000.03716.38
5.4.40.0000.03716.39
5.4.30.0000.03716.26
5.4.20.0030.03316.33
5.4.10.0070.03716.36
5.4.00.0000.03715.78
5.3.290.0100.05014.54
5.3.280.0130.03714.56
5.3.270.0070.03314.50
5.3.260.0100.03014.61
5.3.250.0070.03714.53
5.3.240.0000.04014.48
5.3.230.0070.03314.41
5.3.220.0030.03714.50
5.3.210.0070.03314.50
5.3.200.0070.03314.38
5.3.190.0030.03714.49
5.3.180.0030.03314.54
5.3.170.0070.03714.50
5.3.160.0070.03314.35
5.3.150.0070.03314.48
5.3.140.0030.03714.48
5.3.130.0030.03714.48
5.3.120.0000.04714.48
5.3.110.0070.03314.52
5.3.100.0030.03713.92
5.3.90.0000.03713.98
5.3.80.0000.04013.95
5.3.70.0000.03713.94
5.3.60.0070.03013.96
5.3.50.0030.03313.92
5.3.40.0030.04313.89
5.3.30.0000.03713.85
5.3.20.0030.04013.61
5.3.10.0000.07713.57
5.3.00.0200.06313.56
5.2.170.0030.03011.07
5.2.160.0000.03011.13
5.2.150.0000.04011.14
5.2.140.0000.03011.14
5.2.130.0030.02711.06
5.2.120.0070.03011.09
5.2.110.0030.05011.03
5.2.100.0030.06711.07
5.2.90.0070.05711.02
5.2.80.0000.04711.08
5.2.70.0000.05010.93
5.2.60.0070.06010.94
5.2.50.0100.06010.97
5.2.40.0070.03710.92
5.2.30.0070.05010.86
5.2.20.0000.04010.88
5.2.10.0030.06310.74
5.2.00.0030.03710.62
5.1.60.0070.05010.04
5.1.50.0070.0409.91
5.1.40.0070.04010.03
5.1.30.0030.06010.36
5.1.20.0130.05310.30
5.1.10.0000.0539.96
5.1.00.0030.04010.20
5.0.50.0000.0308.59
5.0.40.0030.0438.55
5.0.30.0030.0478.28
5.0.20.0030.0238.21
5.0.10.0030.0438.17
5.0.00.0070.0408.22
4.4.90.0070.0178.01
4.4.80.0030.0308.01
4.4.70.0030.0208.01
4.4.60.0070.0238.01
4.4.50.0000.0238.01
4.4.40.0000.0408.01
4.4.30.0030.0378.01
4.4.20.0030.0338.01
4.4.10.0030.0308.01
4.4.00.0100.0508.01
4.3.110.0030.0238.01
4.3.100.0000.0308.01
4.3.90.0100.0278.01
4.3.80.0070.0478.01
4.3.70.0070.0238.01
4.3.60.0000.0308.01
4.3.50.0070.0338.01
4.3.40.0000.0538.01
4.3.30.0030.0308.01
4.3.20.0000.0278.01
4.3.10.0030.0278.01
4.3.00.0070.0308.01

preferences:
42.78 ms | 401 KiB | 5 Q