3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = []; $x['z'] = 1; $x['a'] = 1; var_dump($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)
8.3.40.0090.00618.67
8.3.30.0120.00919.19
8.3.20.0080.00020.21
8.3.10.0040.00421.89
8.3.00.0090.00319.02
8.2.170.0120.00622.96
8.2.160.0070.00720.47
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0140.00326.16
8.2.120.0030.00519.95
8.2.110.0100.00022.25
8.2.100.0030.00917.75
8.2.90.0040.00419.13
8.2.80.0000.00817.97
8.2.70.0030.00617.50
8.2.60.0000.00817.93
8.2.50.0030.00518.07
8.2.40.0030.00618.16
8.2.30.0000.00818.11
8.2.20.0000.00717.60
8.2.10.0040.00418.01
8.2.00.0050.00317.58
8.1.270.0060.00320.66
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0090.00023.88
8.1.230.0000.01119.12
8.1.220.0050.00317.74
8.1.210.0050.00518.77
8.1.200.0090.00317.35
8.1.190.0030.00517.13
8.1.180.0040.00418.10
8.1.170.0080.00020.32
8.1.160.0000.00721.99
8.1.150.0040.00418.70
8.1.140.0040.00417.29
8.1.130.0000.00717.73
8.1.120.0000.00717.26
8.1.110.0040.00417.27
8.1.100.0070.00017.29
8.1.90.0000.00817.29
8.1.80.0030.00517.39
8.1.70.0030.00317.44
8.1.60.0080.00017.57
8.1.50.0000.00717.45
8.1.40.0080.00017.32
8.1.30.0040.00417.53
8.1.20.0050.00217.55
8.1.10.0040.00417.36
8.1.00.0040.00817.43
8.0.300.0000.00718.77
8.0.290.0000.00716.75
8.0.280.0030.00318.37
8.0.270.0040.00417.11
8.0.260.0050.00217.19
8.0.250.0000.00716.89
8.0.240.0000.00716.78
8.0.230.0040.00416.78
8.0.220.0000.00716.83
8.0.210.0040.00416.66
8.0.200.0030.00316.75
8.0.190.0000.00816.89
8.0.180.0040.00416.85
8.0.170.0000.00716.89
8.0.160.0040.00416.79
8.0.150.0000.00716.71
8.0.140.0000.00716.84
8.0.130.0030.00313.21
8.0.120.0000.00816.79
8.0.110.0040.00416.87
8.0.100.0050.00316.93
8.0.90.0000.00816.64
8.0.80.0100.00616.75
8.0.70.0040.00416.63
8.0.60.0030.00516.79
8.0.50.0040.00416.81
8.0.30.0180.00616.88
8.0.20.0110.00817.40
8.0.10.0000.00716.77
8.0.00.0030.01416.86
7.4.330.0050.00015.03
7.4.320.0030.00316.57
7.4.300.0000.00616.43
7.4.290.0070.00016.43
7.4.280.0040.00416.52
7.4.270.0030.00516.53
7.4.260.0000.00716.46
7.4.250.0000.00716.36
7.4.240.0040.00416.43
7.4.230.0030.00316.53
7.4.220.0070.01516.50
7.4.210.0100.00416.50
7.4.200.0000.00716.55
7.4.160.0100.00616.47
7.4.150.0130.00317.40
7.4.140.0160.00517.86
7.4.130.0080.00816.51
7.4.120.0100.01116.61
7.4.110.0060.01516.34
7.4.100.0070.01716.44
7.4.90.0070.01016.59
7.4.80.0080.00916.26
7.4.70.0100.01016.48
7.4.60.0100.00616.41
7.4.50.0050.00316.34
7.4.40.0120.00916.52
7.4.30.0170.00816.48
7.4.10.0030.01315.03
7.4.00.0080.00914.82
7.3.330.0000.00513.04
7.3.320.0140.00013.04
7.3.310.0040.00416.15
7.3.300.0030.00316.19
7.3.290.0070.00016.22
7.3.280.0090.00616.16
7.3.270.0070.01117.40
7.3.260.0120.00616.64
7.3.250.0070.01116.57
7.3.240.0070.01016.43
7.3.230.0090.01016.51
7.3.210.0070.01016.41
7.3.200.0060.00916.47
7.3.190.0100.00716.22
7.3.180.0030.01416.39
7.3.170.0090.00916.43
7.3.160.0040.01316.26
7.3.130.0060.00914.97
7.3.120.0100.00814.78
7.3.110.0100.00814.91
7.3.100.0060.00814.79
7.3.90.0040.00814.74
7.3.80.0050.01014.80
7.3.70.0050.00814.79
7.3.60.0050.00814.60
7.3.50.0050.01014.55
7.3.40.0070.00514.68
7.3.30.0060.00714.74
7.3.20.0060.00616.43
7.3.10.0020.01116.54
7.3.00.0030.01116.48
7.2.330.0040.01216.45
7.2.320.0140.00616.41
7.2.310.0070.01816.64
7.2.300.0100.00716.34
7.2.290.0090.00616.38
7.2.260.0150.00414.65
7.2.250.0070.00915.04
7.2.240.0050.01114.88
7.2.230.0080.00714.97
7.2.220.0060.00814.94
7.2.210.0060.00714.79
7.2.200.0070.00914.96
7.2.190.0080.00514.86
7.2.180.0040.00714.88
7.2.170.0060.00714.61
7.2.160.0040.00415.00
7.2.150.0030.01016.63
7.2.140.0070.00316.96
7.2.130.0060.00716.79
7.2.120.0050.00516.84
7.2.110.0050.00616.61
7.2.100.0020.01016.76
7.2.90.0000.01216.91
7.2.80.0080.00816.64
7.2.70.0030.00816.69
7.2.60.0110.00516.68
7.2.50.0050.00916.74
7.2.40.0110.00516.57
7.2.30.0150.00316.64
7.2.20.0050.00816.72
7.2.10.0060.00816.68
7.2.00.0070.00817.66
7.1.330.0020.01215.46
7.1.320.0050.01215.64
7.1.310.0110.00215.61
7.1.300.0050.00915.81
7.1.290.0060.00315.73
7.1.280.0080.00615.83
7.1.270.0030.01015.57
7.1.260.0080.00615.86
7.1.250.0020.01015.72
7.1.240.0030.01015.79
7.1.230.0100.00315.80
7.1.220.0000.01515.71
7.1.210.0040.01215.73
7.1.200.0070.00715.83
7.1.190.0110.00415.71
7.1.180.0060.00615.70
7.1.170.0090.00615.88
7.1.160.0070.00715.37
7.1.150.0080.00315.70
7.1.140.0060.01015.77
7.1.130.0000.01415.57
7.1.120.0000.00915.84
7.1.110.0000.01415.75
7.1.100.0050.00616.85
7.1.90.0040.01115.86
7.1.80.0090.00615.80
7.1.70.0030.01316.55
7.1.60.0070.00617.67
7.1.50.0060.00916.09
7.1.40.0000.01315.74
7.1.30.0060.01015.80
7.1.20.0060.00815.64
7.1.10.0030.00715.47
7.1.00.0060.04219.04
7.0.330.0000.00815.37
7.0.320.0040.00415.43
7.0.310.0070.01015.04
7.0.300.0060.00615.12
7.0.290.0140.00015.38
7.0.280.0000.01115.30
7.0.270.0110.00415.60
7.0.260.0040.00815.37
7.0.250.0030.00915.60
7.0.240.0130.00315.37
7.0.230.0070.01015.43
7.0.220.0070.00715.44
7.0.210.0090.00915.30
7.0.200.0090.00715.08
7.0.190.0090.00715.60
7.0.180.0000.01215.43
7.0.170.0030.00915.28
7.0.160.0060.01215.54
7.0.150.0070.00715.39
7.0.140.0020.02218.79
7.0.130.0070.00715.18
7.0.120.0090.00615.57
7.0.110.0090.00015.21
7.0.100.0040.00415.53
7.0.90.0140.00015.27
7.0.80.0040.01115.52
7.0.70.0000.01015.17
7.0.60.0030.04617.56
7.0.50.0100.03816.60
7.0.40.0030.02516.76
7.0.30.0230.04216.69
7.0.20.0150.02816.64
7.0.10.0150.04616.81
7.0.00.0070.03116.77
5.6.400.0030.00614.55
5.6.390.0030.01014.50
5.6.380.0040.00714.45
5.6.370.0000.01014.66
5.6.360.0000.01414.09
5.6.350.0060.00914.35
5.6.340.0000.01014.32
5.6.330.0160.00314.69
5.6.320.0040.01114.51
5.6.310.0000.01414.64
5.6.300.0000.01014.40
5.6.290.0040.00814.25
5.6.280.0080.03717.57
5.6.270.0040.01214.02
5.6.260.0060.00314.41
5.6.250.0030.00714.25
5.6.240.0000.01214.39
5.6.230.0060.00314.16
5.6.220.0000.01714.52
5.6.210.0080.04017.42
5.6.200.0070.02516.20
5.6.190.0020.03917.35
5.6.180.0050.04317.38
5.6.170.0210.02117.63
5.6.160.0100.03217.34
5.6.150.0090.04215.93
5.6.140.0080.03016.22
5.6.130.0040.02216.31
5.6.120.0100.04117.68
5.6.110.0050.04817.67
5.6.100.0050.03917.78
5.6.90.0080.03517.55
5.6.80.0040.03617.39
5.6.70.2050.02717.30
5.6.60.0090.00614.18
5.6.50.0120.00414.25
5.6.40.0110.00014.13
5.6.30.0070.00414.30
5.6.20.0070.00714.11
5.6.10.0030.00714.52
5.6.00.0120.00014.23
5.5.380.0030.00614.57
5.5.370.0000.00914.18
5.5.360.0040.01114.27
5.5.350.0050.04617.35
5.5.340.0050.02016.13
5.5.330.0070.02317.21
5.5.320.0170.02417.29
5.5.310.0150.04217.07
5.5.300.0090.04016.08
5.5.290.0030.04216.03
5.5.280.0120.02217.38
5.5.270.0030.04617.62
5.5.260.0070.04217.49
5.5.250.0100.03917.46
5.5.240.0030.02317.24
5.5.230.0080.00614.29
5.5.220.0080.00814.17
5.5.210.0060.01014.23
5.5.200.0110.00514.41
5.5.190.0070.00714.18
5.5.180.0090.00614.31
5.5.170.0040.00714.16
5.5.160.0070.00714.13
5.5.150.0070.00714.39
5.5.140.0100.00314.11
5.5.130.0080.00414.04
5.5.120.0040.00814.00
5.5.110.0040.00714.39
5.5.100.0030.01213.85
5.5.90.0030.00914.04
5.5.80.0070.00414.30
5.5.70.0000.01113.84
5.5.60.0040.00413.97
5.5.50.0030.00614.13
5.5.40.0130.00314.08
5.5.30.0030.01214.29
5.5.20.0030.00614.04
5.5.10.0090.00314.22
5.5.00.0060.01013.86
5.4.450.0330.03115.16
5.4.440.0490.03615.22
5.4.430.0030.03314.94
5.4.420.0400.02815.34
5.4.410.0580.02315.00
5.4.400.0500.02614.81
5.4.390.0520.02514.77
5.4.380.0530.02914.93
5.4.370.0580.03014.71
5.4.360.0520.03314.80
5.4.350.0470.03214.63
5.4.340.0580.03214.83
5.4.330.0060.00611.02
5.4.320.0520.04014.77
5.4.310.0430.03014.72
5.4.300.0480.03314.73
5.4.290.0520.03014.76
5.4.280.0530.02514.74
5.4.270.0470.03214.87
5.4.260.0480.02714.82
5.4.250.0480.02814.70
5.4.240.0480.03514.89
5.4.230.0450.03214.51
5.4.220.0530.02914.88
5.4.210.0520.03514.75
5.4.200.0450.03413.72
5.4.190.0500.02814.79
5.4.180.0550.02514.70
5.4.170.0530.03014.62
5.4.160.0580.02714.74
5.4.150.0560.02814.74
5.4.140.0580.03013.50
5.4.130.0520.03613.59
5.4.120.0510.02513.72
5.4.110.0420.03013.54
5.4.100.0630.03013.61
5.4.90.0520.03113.67
5.4.80.0530.02713.72
5.4.70.0450.03313.46
5.4.60.0500.02713.48
5.4.50.0570.03113.61
5.4.40.0480.03513.63
5.4.30.0480.03013.54
5.4.20.0060.03313.59
5.4.10.0290.02713.76
5.4.00.0070.03013.38
5.3.290.1130.06014.74
5.3.280.0870.05314.69
5.3.270.0800.05314.55
5.3.260.0630.05714.54
5.3.250.0830.04314.60
5.3.240.0570.06014.50
5.3.230.0530.05314.51
5.3.220.0330.05014.67
5.3.210.0230.07014.53
5.3.200.0730.07014.48
5.3.190.0670.06314.55
5.3.180.0230.06014.64
5.3.170.0170.06714.64
5.3.160.0300.06314.51
5.3.150.0930.07014.66
5.3.140.0900.07714.53
5.3.130.0830.06714.62
5.3.120.0770.07314.55
5.3.110.0770.07014.50
5.3.100.0270.05713.96
5.3.90.0130.06014.00
5.3.80.0200.07014.10
5.3.70.0200.07013.92
5.3.60.0270.06713.89
5.3.50.0200.07013.94
5.3.40.0230.05713.87
5.3.30.0370.04713.84
5.3.20.0270.06713.80
5.3.10.0300.07013.75
5.3.00.0430.05713.57
5.2.170.0370.04711.18
5.2.160.0130.05011.13
5.2.150.0330.03711.17
5.2.140.0300.04011.14
5.2.130.0330.03711.10
5.2.120.0270.03311.25
5.2.110.0300.04311.14
5.2.100.0230.05311.07
5.2.90.0100.04311.15
5.2.80.0270.04011.13
5.2.70.0330.04711.13
5.2.60.0230.04010.97
5.2.50.0230.04310.98
5.2.40.0270.05310.96
5.2.30.0200.04311.00
5.2.20.0100.05010.88
5.2.10.0200.03711.00
5.2.00.0100.04710.75
5.1.60.0070.04010.11
5.1.50.0270.03310.01
5.1.40.0100.04010.05
5.1.30.0130.05010.34
5.1.20.0270.04710.40
5.1.10.0200.05010.10
5.1.00.0270.04710.04
5.0.50.0070.0338.52
5.0.40.0200.0378.44
5.0.30.0170.0538.19
5.0.20.0130.0238.32
5.0.10.0200.0278.37
5.0.00.0100.0438.25
4.4.90.0170.0175.94
4.4.80.0100.0235.90
4.4.70.0130.0205.89
4.4.60.0100.0235.82
4.4.50.0070.0235.88
4.4.40.0070.0375.87
4.4.30.0130.0275.85
4.4.20.0130.0305.92
4.4.10.0100.0275.89
4.4.00.0100.0435.90
4.3.110.0070.0235.82
4.3.100.0170.0135.85
4.3.90.0100.0235.78
4.3.80.0130.0305.91
4.3.70.0100.0175.81
4.3.60.0130.0205.82
4.3.50.0100.0205.80
4.3.40.0170.0335.77
4.3.30.0100.0274.56
4.3.20.0200.0204.59
4.3.10.0100.0274.49
4.3.00.0000.04014.42

preferences:
38.97 ms | 400 KiB | 5 Q