3v4l.org

run code in 300+ PHP versions simultaneously
<?php session_register('name', 'value'); var_dump(key_exists(0, array(1)));

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)
8.3.40.0060.00918.83
8.3.30.0070.00720.04
8.3.20.0040.00420.35
8.3.10.0050.00222.04
8.3.00.0050.00322.34
8.2.170.0210.00422.96
8.2.160.0140.00722.16
8.2.150.0040.00424.18
8.2.140.0030.00524.66
8.2.130.0040.00426.16
8.2.120.0070.00020.67
8.2.110.0070.00421.10
8.2.100.0070.00418.03
8.2.90.0080.00019.00
8.2.80.0000.00817.97
8.2.70.0040.00417.50
8.2.60.0040.00417.80
8.2.50.0040.00418.10
8.2.40.0000.00720.45
8.2.30.0030.00519.34
8.2.20.0040.00417.68
8.2.10.0050.00317.67
8.2.00.0040.00417.54
8.1.270.0060.00323.99
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0050.00522.74
8.1.230.0000.01217.83
8.1.220.0070.00017.74
8.1.210.0000.00818.77
8.1.200.0000.00917.23
8.1.190.0040.00417.10
8.1.180.0040.00418.10
8.1.170.0070.00418.57
8.1.160.0030.00322.12
8.1.150.0070.00018.50
8.1.140.0000.00817.36
8.1.130.0020.00519.93
8.1.120.0030.00517.36
8.1.110.0030.00517.30
8.1.100.0040.00417.38
8.1.90.0040.00417.30
8.1.80.0000.00817.27
8.1.70.0030.00517.21
8.1.60.0040.00417.38
8.1.50.0040.00417.49
8.1.40.0070.00417.41
8.1.30.0050.00217.57
8.1.20.0030.00617.59
8.1.10.0060.00317.55
8.1.00.0060.00317.43
8.0.300.0080.00018.77
8.0.290.0030.00616.63
8.0.280.0080.00018.37
8.0.270.0030.00317.12
8.0.260.0070.00020.05
8.0.250.0060.00016.82
8.0.240.0030.00616.95
8.0.230.0030.00316.94
8.0.220.0000.00716.77
8.0.210.0000.00716.81
8.0.200.0000.00616.95
8.0.190.0040.00416.91
8.0.180.0070.00016.89
8.0.170.0000.00916.89
8.0.160.0000.00716.87
8.0.150.0030.00316.78
8.0.140.0090.00016.81
8.0.130.0060.00013.18
8.0.120.0050.00216.71
8.0.110.0050.00316.88
8.0.100.0050.00216.83
8.0.90.0070.00016.91
8.0.80.0090.00616.94
8.0.70.0000.00716.95
8.0.60.0000.00716.86
8.0.50.0000.00716.70
8.0.30.0110.00816.96
8.0.20.0090.01317.40
8.0.10.0020.00516.85
8.0.00.0100.00716.68
7.4.330.0000.00516.80
7.4.320.0040.00416.41
7.4.300.0030.00316.56
7.4.290.0000.00716.45
7.4.280.0000.00716.56
7.4.270.0070.00016.53
7.4.260.0030.00313.22
7.4.250.0050.00316.53
7.4.240.0000.00716.52
7.4.230.0000.00716.52
7.4.220.0030.01316.61
7.4.210.0080.00816.42
7.4.200.0000.00716.54
7.4.190.0040.00416.48
7.4.160.0100.00716.26
7.4.150.0110.00617.40
7.4.140.0090.00817.86
7.4.130.0090.01116.48
7.4.120.0070.01016.41
7.4.110.0100.00716.41
7.4.100.0100.00716.63
7.4.90.0120.00416.62
7.4.80.0120.00919.39
7.4.70.0110.00416.33
7.4.60.0100.01316.52
7.4.50.0050.00216.27
7.4.40.0000.01522.77
7.4.30.0070.01016.26
7.4.00.0100.00614.54
7.3.330.0030.00313.09
7.3.320.0000.00512.98
7.3.310.0000.00616.11
7.3.300.0030.00316.35
7.3.290.0080.00516.21
7.3.280.0080.01016.25
7.3.270.0080.00817.40
7.3.260.0070.01718.24
7.3.250.0130.00716.37
7.3.240.0030.01516.11
7.3.230.0110.01416.39
7.3.210.0060.01016.53
7.3.200.0130.00919.39
7.3.190.0100.01416.48
7.3.180.0170.00016.29
7.3.170.0120.00316.52
7.3.160.0070.01316.47
7.3.120.0030.00714.95
7.3.10.0210.00316.36
7.3.00.0120.00616.49
7.2.330.0060.01116.48
7.2.320.0070.01516.23
7.2.310.0130.00416.50
7.2.300.0100.00716.49
7.2.290.0140.00716.59
7.2.130.0110.01116.76
7.2.120.0080.00416.31
7.2.110.0110.00416.50
7.2.100.0200.00016.35
7.2.90.0190.00516.36
7.2.80.0120.00316.46
7.2.70.0180.00316.44
7.2.60.0100.00716.64
7.2.50.0100.01016.67
7.2.40.0180.00716.87
7.2.30.0090.00616.73
7.2.20.0120.00416.76
7.2.10.0130.01016.77
7.2.00.0140.00617.90
7.1.250.0150.00315.14
7.1.200.0000.01315.36
7.1.100.0100.00617.97
7.1.70.0040.00416.86
7.1.60.0000.02419.17
7.1.50.0100.01316.77
7.1.00.0000.04022.51
7.0.200.0000.00716.39
7.0.140.0030.06722.00
7.0.100.0130.08320.01
7.0.90.0070.04720.02
7.0.80.0030.08019.88
7.0.70.0130.05020.01
7.0.60.0230.08019.94
7.0.50.0100.08020.27
7.0.40.0130.04720.09
7.0.30.0100.07020.13
7.0.20.0100.07720.18
7.0.10.0070.06020.02
7.0.00.0170.07320.09
5.6.280.0070.07020.88
5.6.250.0100.05720.59
5.6.240.0130.04020.66
5.6.230.0070.04320.61
5.6.220.0070.08020.57
5.6.210.0130.06720.61
5.6.200.0070.05721.16
5.6.190.0130.08321.10
5.6.180.0130.07721.13
5.6.170.0070.04720.95
5.6.160.0030.06720.95
5.6.150.0170.04720.95
5.6.140.0070.04321.00
5.6.130.0130.05020.95
5.6.120.0130.06721.01
5.6.110.0100.08321.11
5.6.100.0070.08321.11
5.6.90.0000.08320.97
5.6.80.0070.06720.44
5.6.70.0030.04320.50
5.6.60.0000.08320.43
5.6.50.0130.07320.41
5.6.40.0170.06020.41
5.6.30.0100.05020.49
5.6.20.0100.03720.39
5.6.10.0000.04320.28
5.6.00.0030.04320.25
5.5.380.0100.05720.44
5.5.370.0070.08020.32
5.5.360.0070.04320.35
5.5.350.0070.04320.39
5.5.340.0030.08020.86
5.5.330.0070.04320.73
5.5.320.0070.07720.91
5.5.310.0000.05720.89
5.5.300.0130.06320.63
5.5.290.0100.04320.89
5.5.280.0030.04320.88
5.5.270.0070.04320.85
5.5.260.0130.07020.81
5.5.250.0200.03720.61
5.5.240.0030.06720.21
5.5.230.0100.04020.21
5.5.220.0000.05320.25
5.5.210.0000.04720.27
5.5.200.0100.07320.23
5.5.190.0030.07020.23
5.5.180.0100.08020.23
5.5.160.0030.04020.14
5.5.150.0030.05020.26
5.5.140.0000.04320.26
5.5.130.0130.03020.26
5.5.120.0000.04720.22
5.5.110.0100.02720.13
5.5.100.0070.03320.13
5.5.90.0000.04320.06
5.5.80.0000.05020.02
5.5.70.0030.03720.14
5.5.60.0070.06320.05
5.5.50.0070.07720.05
5.5.40.0000.04320.13
5.5.30.0070.03719.94
5.5.20.0070.03720.09
5.5.10.0000.04319.93
5.5.00.0130.03320.03
5.4.450.0070.04019.34
5.4.440.0130.06719.14
5.4.430.0100.08019.55
5.4.420.0100.05319.36
5.4.410.0070.08319.16
5.4.400.0030.06719.09
5.4.390.0170.05319.03
5.4.380.0100.04019.10
5.4.370.0030.05318.98
5.4.360.0170.03318.92
5.4.350.0070.05018.96
5.4.340.0030.04318.78
5.4.320.0100.03718.96
5.4.310.0000.04019.01
5.4.300.0000.04018.98
5.4.290.0070.03719.11
5.4.280.0030.03718.80
5.4.270.0000.04318.92
5.4.260.0030.03718.95
5.4.250.0100.03318.80
5.4.240.0030.03718.80
5.4.230.0030.08318.90
5.4.220.0030.03719.09
5.4.210.0070.04719.03
5.4.200.0030.04018.78
5.4.190.0100.03018.97
5.4.180.0000.04319.02
5.4.170.0100.02718.80
5.4.160.0070.04319.10
5.4.150.0070.03719.12
5.4.140.0030.03716.38
5.4.130.0070.05016.12
5.4.120.0030.03716.26
5.4.110.0000.04716.23
5.4.100.0030.04016.30
5.4.90.0000.04016.20
5.4.80.0070.05316.40
5.4.70.0000.03716.24
5.4.60.0030.03316.34
5.4.50.0070.02716.19
5.4.40.0000.04016.25
5.4.30.0030.03716.35
5.4.20.0000.04016.19
5.4.10.0070.03016.18
5.4.00.0000.03715.73
5.3.290.0030.03714.48
5.3.280.0100.06014.50
5.3.270.0000.04714.59
5.3.260.0100.03014.51
5.3.250.0000.04014.55
5.3.240.0070.04714.57
5.3.230.0000.04714.55
5.3.220.0000.04014.40
5.3.210.0000.04014.49
5.3.200.0000.04014.56
5.3.190.0000.04314.56
5.3.180.0100.03314.52
5.3.170.0030.03714.39
5.3.160.0000.04014.42
5.3.150.0070.04314.41
5.3.140.0100.03314.52
5.3.130.0000.03314.51
5.3.120.0000.03314.46
5.3.110.0000.04014.41
5.3.100.0070.03014.04
5.3.90.0000.03713.99
5.3.80.0070.02714.02
5.3.70.0130.02713.97
5.3.60.0000.03314.01
5.3.50.0030.03713.93
5.3.40.0030.03013.88
5.3.30.0000.03313.78
5.3.20.0000.03013.51
5.3.10.0000.03713.65
5.3.00.0000.03313.49
5.2.170.0070.02011.14
5.2.160.0070.02010.97
5.2.150.0000.02711.11
5.2.140.0000.04010.97
5.2.130.0000.02711.04
5.2.120.0000.02711.08
5.2.110.0000.02711.09
5.2.100.0070.02011.04
5.2.90.0000.03010.89
5.2.80.0100.05711.13
5.2.70.0070.03010.94
5.2.60.0070.04310.93
5.2.50.0030.05710.83
5.2.40.0100.02010.82
5.2.30.0000.03010.95
5.2.20.0000.06310.94
5.2.10.0100.06010.79
5.2.00.0000.03010.76
5.1.60.0030.02310.02
5.1.50.0000.0539.97
5.1.40.0030.03010.13
5.1.30.0070.05710.37
5.1.20.0000.03710.21
5.1.10.0070.04310.04
5.1.00.0070.05710.10
5.0.50.0000.0408.66
5.0.40.0070.0408.66
5.0.30.0070.0608.66
5.0.20.0030.0438.66
5.0.10.0030.0438.66
5.0.00.0030.0608.66
4.4.90.0030.0278.66
4.4.80.0000.0308.66
4.4.70.0070.0308.66
4.4.60.0070.0308.66
4.4.50.0070.0308.66
4.4.40.0070.0378.66
4.4.30.0000.0338.66
4.4.20.0030.0378.66
4.4.10.0000.0378.66
4.4.00.0000.0578.66
4.3.110.0030.0378.66
4.3.100.0030.0378.66
4.3.90.0030.0208.66
4.3.80.0030.0338.66
4.3.70.0030.0338.66
4.3.60.0070.0178.66
4.3.50.0030.0338.66
4.3.40.0000.0538.66
4.3.30.0000.0308.66
4.3.20.0030.0378.66
4.3.10.0030.0338.66
4.3.00.0000.0308.66

preferences:
53.87 ms | 400 KiB | 5 Q