3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'blahblah'; $b = 'hablalbb'; $x = 0; for ($i = 0; $i < 8; $i++) { $y = ord($a[$i]) ^ ord($b[$i]); $x ^= ($y); var_dump($x); } var_dump($x);

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)
8.3.60.0100.01018.43
8.3.50.0160.00522.05
8.3.40.0120.00318.70
8.3.30.0060.01219.09
8.3.20.0110.00420.34
8.3.10.0000.00823.53
8.3.00.0040.00419.18
8.2.180.0130.00316.50
8.2.170.0060.00922.96
8.2.160.0100.00722.09
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0140.00026.16
8.2.120.0000.00720.97
8.2.110.0090.00019.33
8.2.100.0060.00617.72
8.2.90.0060.00317.63
8.2.80.0000.00818.78
8.2.70.0030.00518.05
8.2.60.0080.00318.22
8.2.50.0040.00418.10
8.2.40.0030.00519.42
8.2.30.0050.00219.35
8.2.20.0030.00617.74
8.2.10.0040.00417.97
8.2.00.0040.00417.55
8.1.280.0100.00725.92
8.1.270.0030.00618.95
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0030.00923.59
8.1.230.0120.00020.86
8.1.220.0000.00818.68
8.1.210.0080.00018.77
8.1.200.0000.00917.23
8.1.190.0060.00317.23
8.1.180.0000.00719.03
8.1.170.0060.00618.52
8.1.160.0000.00718.85
8.1.150.0000.00818.82
8.1.140.0070.00017.38
8.1.130.0040.00417.82
8.1.120.0070.00017.30
8.1.110.0040.00417.39
8.1.100.0040.00417.43
8.1.90.0050.00217.32
8.1.80.0030.00617.29
8.1.70.0030.00317.27
8.1.60.0040.00417.41
8.1.50.0030.00517.35
8.1.40.0040.00417.43
8.1.30.0040.00717.60
8.1.20.0030.00617.43
8.1.10.0060.00317.50
8.1.00.0000.00817.46
8.0.300.0040.00419.85
8.0.290.0060.00316.58
8.0.280.0070.00018.25
8.0.270.0070.00017.15
8.0.260.0080.00017.11
8.0.250.0030.00316.86
8.0.240.0030.00316.76
8.0.230.0050.00316.89
8.0.220.0070.00016.89
8.0.210.0030.00316.85
8.0.200.0060.00316.78
8.0.190.0000.00716.86
8.0.180.0040.00416.85
8.0.170.0040.00416.81
8.0.160.0030.00316.88
8.0.150.0000.00816.76
8.0.140.0000.00716.84
8.0.130.0030.00313.24
8.0.120.0100.00016.83
8.0.110.0070.00016.80
8.0.100.0040.00416.69
8.0.90.0000.00716.77
8.0.80.0060.00916.88
8.0.70.0070.00016.86
8.0.60.0000.00716.69
8.0.50.0040.00416.89
8.0.30.0110.00816.97
8.0.20.0100.01017.40
8.0.10.0000.00716.94
8.0.00.0120.00916.75
7.4.330.0000.00515.03
7.4.320.0060.00016.55
7.4.300.0060.00016.45
7.4.290.0000.00716.50
7.4.280.0050.00316.43
7.4.270.0030.00316.35
7.4.260.0000.00816.45
7.4.250.0080.00016.50
7.4.240.0020.00516.43
7.4.230.0000.00716.42
7.4.220.0070.01116.58
7.4.210.0030.01016.44
7.4.200.0040.00416.32
7.4.160.0140.00316.29
7.4.150.0120.00617.40
7.4.140.0120.01117.86
7.4.130.0070.01116.45
7.4.120.0150.00216.63
7.4.110.0060.01216.54
7.4.100.0110.00716.47
7.4.90.0080.00816.66
7.4.80.0110.01019.39
7.4.70.0090.00616.66
7.4.60.0060.01116.58
7.4.50.0000.00816.60
7.4.40.0000.01716.48
7.4.30.0030.01516.57
7.4.00.0000.01515.05
7.3.330.0030.00313.08
7.3.320.0050.00013.26
7.3.310.0000.00716.25
7.3.300.0070.00016.32
7.3.290.0100.00616.36
7.3.280.0110.01016.34
7.3.270.0170.00017.40
7.3.260.0060.01016.55
7.3.250.0070.01216.44
7.3.240.0170.00016.63
7.3.230.0040.01216.55
7.3.210.0060.01216.29
7.3.200.0030.01419.39
7.3.190.0060.00916.49
7.3.180.0100.00616.26
7.3.170.0080.01216.34
7.3.160.0090.01316.27
7.2.330.0100.00716.77
7.2.320.0140.00816.65
7.2.310.0050.01116.51
7.2.300.0100.00716.48
7.2.290.0050.01116.45
7.2.60.0060.00617.04
7.2.00.0090.00319.42
7.1.200.0070.00016.04
7.1.100.0040.01218.32
7.1.70.0030.01217.22
7.1.60.0030.01419.22
7.1.50.0090.01316.78
7.1.00.0030.07722.36
7.0.200.0070.00416.70
7.0.140.0030.03322.09
7.0.60.0030.04019.97
7.0.50.0070.03717.86
7.0.40.0100.08320.18
7.0.30.0200.04320.20
7.0.20.0370.06320.21
7.0.10.0200.07020.04
7.0.00.0070.08720.13
5.6.280.0030.07320.98
5.6.210.0000.07020.55
5.6.200.0100.04318.23
5.6.190.0070.04320.57
5.6.180.4100.04320.39
5.6.170.0200.07320.48
5.6.160.0130.07020.52
5.6.150.0070.08018.12
5.6.140.0000.04018.21
5.6.130.0100.08018.11
5.6.120.0030.04021.12
5.6.110.0030.07021.11
5.6.100.0070.08320.99
5.6.90.0070.03720.96
5.6.80.0100.08320.35
5.6.70.0330.07020.38
5.5.350.0270.05020.32
5.5.340.0100.07717.95
5.5.330.0200.06720.46
5.5.320.0330.03720.41
5.5.310.0430.05320.17
5.5.300.0030.09017.98
5.5.290.0000.05717.92
5.5.280.0100.07320.76
5.5.270.0070.04020.83
5.5.260.0000.04320.84
5.5.250.0170.05020.68
5.5.240.0370.06320.16
5.4.450.0730.05719.27
5.4.440.0130.06019.25
5.4.430.0130.05019.48
5.4.420.0630.05719.14
5.4.410.0470.04319.43
5.4.400.0600.05019.19
5.4.390.0900.06019.23
5.4.380.0270.04718.50
5.4.370.0070.06718.61
5.4.360.0200.05018.59
5.4.350.0130.06018.66
5.4.340.0230.06318.61
5.4.320.0170.06018.62
5.4.310.0200.06018.61
5.4.300.0170.05318.77
5.4.290.0230.04718.74
5.4.280.0170.05718.74
5.4.270.0270.05318.45
5.4.260.0200.05318.75
5.4.250.0200.05318.45
5.4.240.0130.06018.61
5.4.230.0300.05018.55
5.4.220.0100.06318.64
5.4.210.0200.05318.57
5.4.200.0230.04316.66
5.4.190.0230.05018.44
5.4.180.0300.04018.64
5.4.170.0230.04718.68
5.4.160.0100.05718.66
5.4.150.0270.04318.50
5.4.140.0130.05716.25
5.4.130.0230.04316.20
5.4.120.0370.05316.26
5.4.110.0200.05016.26
5.4.100.0230.04316.30
5.4.90.0130.05316.12
5.4.80.0230.04316.06
5.4.70.0100.05716.22
5.4.60.0200.05016.28
5.4.50.0170.05015.99
5.4.40.0270.04716.05
5.4.30.0200.06316.12
5.4.20.0230.05316.19
5.4.10.0200.05316.04
5.4.00.0130.05315.80
5.3.290.0100.06014.70
5.3.280.0300.06314.56
5.3.270.0230.05314.51
5.3.260.0230.05014.58
5.3.250.0130.06014.50
5.3.240.0170.05314.52
5.3.230.0130.06014.51
5.3.220.0300.03714.56
5.3.210.0270.04314.54
5.3.200.0170.05014.54
5.3.190.0200.05014.57
5.3.180.0270.05014.51
5.3.170.0330.05714.53
5.3.160.0300.04014.59
5.3.150.0130.07014.66
5.3.140.0170.05314.54
5.3.130.0200.05314.51
5.3.120.0270.05014.51
5.3.110.0170.06014.53
5.3.100.0200.05313.96
5.3.90.0200.05013.95
5.3.80.0100.06014.12
5.3.70.0230.06313.99
5.3.60.0200.05013.99
5.3.50.0300.03713.94
5.3.40.0170.05314.05
5.3.30.0230.04313.87
5.3.20.0330.03713.64
5.3.10.0230.06713.58
5.3.00.0300.04013.56
5.2.170.0130.04311.20
5.2.160.0170.05011.11
5.2.150.0130.04311.14
5.2.140.0070.05311.13
5.2.130.0100.04311.09
5.2.120.0230.03011.07
5.2.110.0170.04311.15
5.2.100.0170.04011.05
5.2.90.0070.04711.14
5.2.80.0130.04711.03
5.2.70.0100.04311.09
5.2.60.0070.04711.09
5.2.50.0170.04010.97
5.2.40.0130.04010.95
5.2.30.0270.03011.13
5.2.20.0030.04710.99
5.2.10.0100.04310.87
5.2.00.0170.03710.82
5.1.60.0170.03310.11
5.1.50.0200.02710.13
5.1.40.0100.03710.00
5.1.30.0070.04010.38
5.1.20.0130.03310.39
5.1.10.0100.03710.04
5.1.00.0070.04010.15
5.0.50.0100.0278.52
5.0.40.0100.0238.48
5.0.30.0100.0408.27
5.0.20.0070.0278.27
5.0.10.0070.0308.23
5.0.00.0100.0508.18
4.4.90.0030.0275.83
4.4.80.0030.0235.92
4.4.70.0130.0175.85
4.4.60.0000.0275.88
4.4.50.0030.0275.88
4.4.40.0100.0335.94
4.4.30.0070.0205.81
4.4.20.0030.0335.93
4.4.10.0130.0175.96
4.4.00.0100.0335.92
4.3.110.0070.0275.79
4.3.100.0100.0175.80
4.3.90.0100.0175.82
4.3.80.0100.0305.79
4.3.70.0070.0235.82
4.3.60.0030.0235.78
4.3.50.0070.0235.87
4.3.40.0070.0335.75
4.3.30.0070.0204.88
4.3.20.0070.0234.88
4.3.10.0000.0234.88
4.3.00.0070.0277.34

preferences:
54.2 ms | 401 KiB | 5 Q