3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'cat'; $b = 'cats'; for ($i = 0; $i < strlen($a); $i++) { $result |= (ord($a[$i]) ^ ord($b[$i])); } $c = ($result == 0) ? "equal" : "not equal";

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)
8.3.60.0070.00716.63
8.3.50.0100.01018.21
8.3.40.0080.00618.70
8.3.30.0110.00419.04
8.3.20.0040.00420.23
8.3.10.0040.00421.76
8.3.00.0040.00419.02
8.2.180.0120.00316.75
8.2.170.0120.00322.96
8.2.160.0090.00422.01
8.2.150.0000.00725.66
8.2.140.0090.00024.66
8.2.130.0000.00726.16
8.2.120.0040.00419.77
8.2.110.0000.00920.52
8.2.100.0090.00318.03
8.2.90.0050.00319.21
8.2.80.0030.00517.97
8.2.70.0030.00617.38
8.2.60.0090.00018.05
8.2.50.0000.00918.07
8.2.40.0040.00417.91
8.2.30.0040.00419.38
8.2.20.0030.00517.73
8.2.10.0000.00918.11
8.2.00.0070.00017.80
8.1.280.0100.00725.92
8.1.270.0060.00324.66
8.1.260.0040.00426.35
8.1.250.0060.00328.09
8.1.240.0060.00323.83
8.1.230.0080.00318.97
8.1.220.0000.00717.74
8.1.210.0000.00918.77
8.1.200.0100.00017.23
8.1.190.0030.00517.22
8.1.180.0040.00418.10
8.1.170.0040.00418.71
8.1.160.0040.00422.02
8.1.150.0100.00018.77
8.1.140.0050.00319.15
8.1.130.0070.00019.24
8.1.120.0000.00717.47
8.1.110.0040.00417.41
8.1.100.0000.01117.44
8.1.90.0000.00717.32
8.1.80.0030.00517.43
8.1.70.0080.00017.42
8.1.60.0030.00617.61
8.1.50.0050.00317.47
8.1.40.0000.00917.52
8.1.30.0040.00417.62
8.1.20.0000.00717.62
8.1.10.0080.00017.43
8.1.00.0000.00817.38
8.0.300.0080.00018.77
8.0.290.0040.00416.75
8.0.280.0060.00318.38
8.0.270.0040.00417.11
8.0.260.0030.00316.75
8.0.250.0000.00816.91
8.0.240.0070.00016.89
8.0.230.0070.00016.81
8.0.220.0040.00416.78
8.0.210.0070.00016.80
8.0.200.0060.00016.84
8.0.190.0040.00416.94
8.0.180.0030.00516.94
8.0.170.0040.00416.82
8.0.160.0030.00316.79
8.0.150.0040.00416.88
8.0.140.0040.00416.74
8.0.130.0030.00313.28
8.0.120.0030.00516.88
8.0.110.0020.00516.80
8.0.100.0070.00016.77
8.0.90.0040.00416.68
8.0.80.0090.00616.88
8.0.70.0040.00416.71
8.0.60.0040.00417.07
8.0.50.0000.00716.79
8.0.30.0150.01117.00
8.0.20.0120.00817.40
8.0.10.0050.00317.09
8.0.00.0070.01116.71
7.4.330.0000.00515.15
7.4.320.0030.00316.46
7.4.300.0000.00616.39
7.4.290.0030.00316.65
7.4.280.0000.00916.61
7.4.270.0030.00316.52
7.4.260.0030.00416.53
7.4.250.0050.00216.55
7.4.240.0020.00516.55
7.4.230.0040.00316.39
7.4.220.0060.01216.62
7.4.210.0040.01116.62
7.4.200.0000.00716.63
7.4.160.0090.00616.53
7.4.150.0130.00617.40
7.4.140.0070.01217.86
7.4.130.0080.00816.51
7.4.120.0100.00816.48
7.4.110.0170.00716.67
7.4.100.0120.00616.50
7.4.90.0130.00316.31
7.4.80.0110.00719.39
7.4.70.0070.01016.65
7.4.60.0080.01116.43
7.4.50.0030.00316.40
7.4.40.0050.01116.37
7.4.30.0040.01816.47
7.4.00.0030.01515.20
7.3.330.0000.00513.13
7.3.320.0000.00513.31
7.3.310.0030.00316.32
7.3.300.0030.00316.34
7.3.290.0060.00016.44
7.3.280.0130.00716.47
7.3.270.0110.00717.40
7.3.260.0000.01916.27
7.3.250.0120.01116.54
7.3.240.0170.00016.55
7.3.230.0130.01016.60
7.3.210.0080.01416.43
7.3.200.0100.00719.39
7.3.190.0140.00316.35
7.3.180.0130.00616.41
7.3.170.0090.01216.54
7.3.160.0100.00716.55
7.2.330.0170.00016.74
7.2.320.0160.00716.79
7.2.310.0090.01316.59
7.2.300.0110.00516.71
7.2.290.0080.00916.42
7.2.00.0000.01519.34
7.1.100.0100.00718.30
7.1.70.0040.00417.10
7.1.60.0000.01617.38
7.1.50.0070.01516.98
7.1.00.0100.07022.36
7.0.200.0060.00916.61
7.0.140.0030.07322.04
7.0.110.0130.04320.00
7.0.100.0070.04319.96
7.0.90.0130.04020.04
7.0.80.0130.03719.96
7.0.70.0270.06019.96
7.0.60.0300.03720.00
7.0.50.0000.05319.95
7.0.40.0000.08019.66
7.0.30.0070.05319.87
7.0.20.0070.04719.64
7.0.10.0070.04719.82
7.0.00.0070.07319.73
5.6.280.0070.07021.02
5.6.260.0070.05320.65
5.6.250.0100.04720.65
5.6.240.0070.04020.72
5.6.230.0070.04020.66
5.6.220.0000.03720.55
5.6.210.0000.04720.72
5.6.200.0070.06720.70
5.6.190.0070.04020.62
5.6.180.0000.04720.69
5.6.170.0000.06320.61
5.6.160.0100.04020.55
5.6.150.0030.03720.61
5.6.140.0070.04720.58
5.6.130.0100.03720.61
5.6.120.0000.08320.62
5.6.110.0030.05020.68
5.6.100.0000.04720.45
5.6.90.0130.07020.60
5.6.80.0130.04319.96
5.6.70.0070.05019.92
5.6.60.0070.06020.02
5.6.50.0070.04320.02
5.6.40.0070.04720.01
5.6.30.0070.04019.96
5.6.20.0070.04019.99
5.6.10.0070.04019.91
5.6.00.0230.05319.96
5.5.380.0030.04017.57
5.5.370.0030.04317.59
5.5.360.0030.04717.61
5.5.350.0070.06017.43
5.5.340.0070.04317.89
5.5.330.0000.04318.01
5.5.320.0030.03317.84
5.5.310.0070.04018.16
5.5.300.0000.05317.87
5.5.290.0100.03018.16
5.5.280.0100.07017.84
5.5.270.0070.04718.09
5.5.260.0070.07317.84
5.5.250.0000.04317.94
5.5.240.0130.02317.28
5.5.230.0070.03017.63
5.5.220.0000.04017.23
5.5.210.0100.06317.10
5.5.200.0130.06017.36
5.5.190.0100.04017.21
5.5.180.0100.06017.47
5.5.160.0000.05717.51
5.5.150.0000.04317.51
5.5.140.0130.07317.26
5.5.130.0100.04317.44
5.5.120.0000.04017.52
5.5.110.0030.05017.33
5.5.100.0070.04017.28
5.5.90.0070.03017.13
5.5.80.0030.03717.12
5.5.70.0100.06017.13
5.5.60.0030.05317.01
5.5.50.0000.04017.10
5.5.40.0130.02717.34
5.5.30.0100.05717.36
5.5.20.0030.04717.37
5.5.10.0030.04317.26
5.5.00.0030.03717.39
5.4.450.0070.04319.26
5.4.440.0000.04319.28
5.4.430.0100.06319.33
5.4.420.0070.03719.32
5.4.410.0070.03719.23
5.4.400.0000.04319.04
5.4.390.0030.08318.93
5.4.380.0030.07018.95
5.4.370.0000.04019.17
5.4.360.0070.05319.25
5.4.350.0030.03719.25
5.4.340.0070.07718.99
5.4.320.0070.03719.27
5.4.310.0070.07719.12
5.4.300.0030.06719.11
5.4.290.0230.02719.10
5.4.280.0100.04319.01
5.4.270.0070.03719.00
5.4.260.0130.07019.00
5.4.250.0070.06319.24
5.4.240.0000.04318.94
5.4.230.0030.05319.00
5.4.220.0100.08019.02
5.4.210.0000.04019.16
5.4.200.0070.03019.00
5.4.190.0000.04019.11
5.4.180.0000.04019.06
5.4.170.0030.03719.09
5.4.160.0000.06719.00
5.4.150.0030.04318.98
5.4.140.0100.05316.48
5.4.130.0070.07316.26
5.4.120.0030.03716.33
5.4.110.0070.05316.29
5.4.100.0070.05716.52
5.4.90.0070.03016.38
5.4.80.0030.07316.49
5.4.70.0070.03316.47
5.4.60.0030.04016.26
5.4.50.0100.06316.48
5.4.40.0070.05716.31
5.4.30.0100.06316.41
5.4.20.0030.03316.34
5.4.10.0070.04716.34
5.4.00.0130.02715.65
5.3.290.0030.07014.54
5.3.280.0100.03314.67
5.3.270.0070.04714.53
5.3.260.0070.04314.70
5.3.250.0070.03014.49
5.3.240.0000.03714.47
5.3.230.0070.06314.43
5.3.220.0070.05014.51
5.3.210.0000.04314.51
5.3.200.0130.06714.66
5.3.190.0130.03014.64
5.3.180.0000.03314.58
5.3.170.0170.02714.42
5.3.160.0030.04314.43
5.3.150.0030.05314.50
5.3.140.0070.03314.45
5.3.130.0030.06314.41
5.3.120.0130.05014.65
5.3.110.0070.07014.41
5.3.100.0030.05314.11
5.3.90.0070.03314.08
5.3.80.0000.04714.02
5.3.70.0030.03313.94
5.3.60.0070.03713.89
5.3.50.0070.03013.80
5.3.40.0070.07013.84
5.3.30.0000.03313.77
5.3.20.0070.06013.51
5.3.10.0000.03313.54
5.3.00.0030.05313.52
5.2.170.0030.02711.94
5.2.160.0030.02311.94
5.2.150.0000.03311.94
5.2.140.0030.02711.94
5.2.130.0030.03011.94
5.2.120.0070.04311.94
5.2.110.0070.06311.94
5.2.100.0000.05011.94
5.2.90.0070.05711.94
5.2.80.0030.04011.94
5.2.70.0030.02711.94
5.2.60.0100.02711.94
5.2.50.0030.03311.94
5.2.40.0030.02711.94
5.2.30.0070.04311.94
5.2.20.0000.04011.94
5.2.10.0070.02711.94
5.2.00.0070.06011.94
5.1.60.0070.03011.94
5.1.50.0030.02011.94
5.1.40.0030.05311.94
5.1.30.0000.03711.94
5.1.20.0000.04011.94
5.1.10.0070.02311.94
5.1.00.0030.02711.94
5.0.50.0030.02011.94
5.0.40.0000.01711.94
5.0.30.0000.03011.94
5.0.20.0000.03311.94
5.0.10.0000.04711.94
5.0.00.0000.06311.94
4.4.90.0100.01711.94
4.4.80.0000.01711.94
4.4.70.0000.04011.94
4.4.60.0000.01711.94
4.4.50.0030.01311.94
4.4.40.0000.02711.94
4.4.30.0000.01711.94
4.4.20.0000.02011.94
4.4.10.0030.01011.94
4.4.00.0000.02711.94
4.3.110.0100.01011.94
4.3.100.0000.01711.94
4.3.90.0000.01711.94
4.3.80.0000.02711.94
4.3.70.0000.01311.94
4.3.60.0000.01711.94
4.3.50.0100.01711.94
4.3.40.0070.02011.94
4.3.30.0000.02011.94
4.3.20.0000.02311.94
4.3.10.0030.02711.94
4.3.00.0030.01711.94

preferences:
35.09 ms | 400 KiB | 5 Q