3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo($content, $keys) { return sizeof($keys) === 0 ? $content : foo([array_pop($keys) => $content], $keys); } print_r(foo('bar', ['a', 'b', 'c', 'd', 'e']));

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)
8.3.70.0150.00616.58
8.3.60.0150.00616.50
8.3.50.0140.00722.04
8.3.40.0150.00318.54
8.3.30.0030.01419.08
8.3.20.0050.00320.16
8.3.10.0040.00423.61
8.3.00.0000.00820.80
8.2.180.0100.01025.92
8.2.170.0090.00618.97
8.2.160.0040.01122.96
8.2.150.0050.00224.18
8.2.140.0000.00824.66
8.2.130.0070.00726.16
8.2.120.0050.00319.13
8.2.110.0070.00322.07
8.2.100.0060.00617.72
8.2.90.0050.00517.50
8.2.80.0060.00318.79
8.2.70.0060.00317.63
8.2.60.0000.00817.63
8.2.50.0050.00217.90
8.2.40.0040.00417.99
8.2.30.0000.00718.23
8.2.20.0070.00017.61
8.2.10.0000.00918.13
8.2.00.0040.00419.50
8.1.280.0140.00325.92
8.1.270.0040.00423.91
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0070.00423.65
8.1.230.0040.00721.00
8.1.220.0000.00817.74
8.1.210.0090.00318.77
8.1.200.0000.00917.22
8.1.190.0030.00517.23
8.1.180.0000.00818.10
8.1.170.0050.00317.62
8.1.160.0070.00022.02
8.1.150.0030.00618.50
8.1.140.0050.00317.47
8.1.130.0080.00017.78
8.1.120.0060.00317.52
8.1.110.0080.00017.43
8.1.100.0040.00417.50
8.1.90.0030.00317.38
8.1.80.0000.00717.50
8.1.70.0000.00817.48
8.1.60.0030.00617.64
8.1.50.0030.00517.43
8.1.40.0000.00817.57
8.1.30.0000.00917.68
8.1.20.0070.00017.60
8.1.10.0000.00717.56
8.1.00.0040.00417.37
8.0.300.0000.00818.77
8.0.290.0040.00416.75
8.0.280.0030.00318.25
8.0.270.0030.00317.21
8.0.260.0000.00617.05
8.0.250.0070.00016.82
8.0.240.0030.00316.83
8.0.230.0030.00316.82
8.0.220.0060.00016.78
8.0.210.0030.00316.80
8.0.200.0030.00616.83
8.0.190.0030.00516.71
8.0.180.0030.00316.80
8.0.170.0060.00316.93
8.0.160.0040.00316.86
8.0.150.0070.00016.78
8.0.140.0050.00216.68
8.0.130.0050.00013.26
8.0.120.0050.00316.82
8.0.110.0000.00716.67
8.0.100.0040.00316.73
8.0.90.0050.00316.67
8.0.80.0100.00716.87
8.0.70.0050.00316.71
8.0.60.0030.00316.88
8.0.50.0000.00816.85
8.0.30.0120.00617.01
8.0.20.0100.01017.40
8.0.10.0040.00416.93
8.0.00.0130.00316.69
7.4.330.0050.00015.01
7.4.320.0000.00616.55
7.4.300.0000.00616.55
7.4.290.0040.00416.40
7.4.280.0030.00716.58
7.4.270.0050.00216.54
7.4.260.0030.00316.48
7.4.250.0000.00716.41
7.4.240.0030.00416.38
7.4.230.0030.00316.33
7.4.220.0070.01016.63
7.4.210.0070.00816.46
7.4.200.0000.00716.29
7.4.160.0100.00616.31
7.4.150.0080.00917.40
7.4.140.0040.01617.86
7.4.130.0070.01016.50
7.4.120.0060.01416.41
7.4.110.0120.00916.48
7.4.100.0100.00716.70
7.4.90.0130.00416.37
7.4.80.0120.01319.39
7.4.70.0080.00816.47
7.4.60.0070.01116.33
7.4.50.0000.00416.18
7.4.40.0090.00616.24
7.4.30.0060.00916.39
7.4.00.0090.00915.13
7.3.330.0000.00513.27
7.3.320.0030.00313.16
7.3.310.0080.00016.17
7.3.300.0060.00016.25
7.3.290.0150.00416.30
7.3.280.0060.01116.32
7.3.270.0130.00317.40
7.3.260.0070.01316.38
7.3.250.0090.00816.40
7.3.240.0120.00616.47
7.3.230.0080.00816.51
7.3.210.0050.01116.28
7.3.200.0160.00019.39
7.3.190.0110.00716.37
7.3.180.0060.01016.32
7.3.170.0100.01016.37
7.3.160.0080.01116.56
7.3.120.0100.00314.79
7.3.110.0030.01314.95
7.3.100.0070.00714.77
7.3.90.0040.01114.88
7.3.80.0060.00614.72
7.3.70.0000.01114.95
7.3.60.0000.01314.75
7.3.50.0040.00714.70
7.3.40.0030.00814.90
7.3.30.0030.00614.68
7.3.20.0080.00616.70
7.3.10.0080.00416.71
7.3.00.0030.01016.49
7.2.330.0080.01216.61
7.2.320.0070.01016.71
7.2.310.0060.01316.71
7.2.300.0110.00416.53
7.2.290.0100.01016.42
7.2.240.0030.01515.18
7.2.230.0080.00415.27
7.2.220.0040.00815.09
7.2.210.0030.00615.01
7.2.200.0050.00515.02
7.2.190.0030.01214.78
7.2.180.0050.00514.59
7.2.170.0060.00915.03
7.2.160.0000.01014.61
7.2.150.0080.00416.91
7.2.140.0040.01516.66
7.2.130.0030.00917.04
7.2.120.0030.00616.68
7.2.110.0100.00716.67
7.2.100.0030.01017.02
7.2.90.0100.00016.88
7.2.80.0030.01316.78
7.2.70.0070.00716.80
7.2.60.0100.00716.78
7.2.50.0090.00617.01
7.2.40.0090.00316.64
7.2.30.0030.00616.90
7.2.20.0030.00917.03
7.2.10.0030.01216.98
7.2.00.0050.00618.11
7.1.330.0030.01315.74
7.1.320.0060.00315.77
7.1.310.0030.00915.86
7.1.300.0000.00815.82
7.1.290.0090.00315.88
7.1.280.0030.01015.86
7.1.270.0060.00915.80
7.1.260.0080.00815.79
7.1.250.0030.01315.64
7.1.200.0000.01115.90
7.1.100.0090.00618.21
7.1.70.0000.00917.23
7.1.60.0100.01619.70
7.1.50.0030.01417.00
7.1.00.0130.06722.36
7.0.200.0030.00616.72
7.0.140.0000.07322.13
7.0.60.0000.07321.84
7.0.50.0070.09017.89
7.0.40.0130.08020.14
7.0.30.0400.04320.19
7.0.20.0230.08020.07
7.0.10.0230.06720.10
7.0.00.0000.04320.07
5.6.280.0100.07021.04
5.6.210.0000.04320.62
5.6.200.0070.08318.25
5.6.190.0170.07020.68
5.6.180.0330.03720.49
5.6.170.0300.06720.58
5.6.160.0300.04020.44
5.6.150.0030.08318.18
5.6.140.0030.06018.11
5.6.130.0030.04318.18
5.6.120.0000.04320.89
5.6.110.0000.05721.04
5.6.100.0170.05321.03
5.6.90.0000.08021.00
5.6.80.0130.07020.44
5.6.70.0270.07720.48
5.5.350.0200.07020.43
5.5.340.0100.05317.95
5.5.330.0030.05720.34
5.5.320.0230.08020.57
5.5.310.0400.05720.30
5.5.300.0000.06718.03
5.5.290.0100.08318.09
5.5.280.0030.08720.73
5.5.270.0030.04020.89
5.5.260.0000.04320.74
5.5.250.0000.04320.59
5.5.240.0170.04720.35
5.4.450.0400.04019.59
5.4.440.0370.03719.46
5.4.430.0370.04019.54
5.4.420.0400.07319.30
5.4.410.0430.07319.28
5.4.400.0530.07019.00
5.4.390.0630.07019.13
5.4.380.0500.04719.10
5.4.370.0570.05719.16
5.4.360.0500.07319.25
5.4.350.0570.06319.22
5.4.340.0570.06319.07
5.4.320.0570.06019.14
5.4.310.0500.05019.23
5.4.300.0570.06319.08
5.4.290.0430.04019.21
5.4.280.0530.06719.15
5.4.270.0500.07719.08
5.4.260.0500.05319.00
5.4.250.0500.03319.19
5.4.240.0500.05319.30
5.4.230.0530.06319.14
5.4.220.0470.05019.08
5.4.210.0600.06019.16
5.4.200.0530.06719.21
5.4.190.0470.04719.05
5.4.180.0400.04319.23
5.4.170.0600.06318.98
5.4.160.0530.05718.98
5.4.150.0400.04019.03
5.4.140.0630.05016.35
5.4.130.0500.05316.52
5.4.120.0400.03716.31
5.4.110.0500.04316.40
5.4.100.0530.04316.36
5.4.90.0400.04716.19
5.4.80.0500.05316.45
5.4.70.0430.05016.39
5.4.60.0570.03316.45
5.4.50.0400.03716.37
5.4.40.0630.05716.57
5.4.30.0500.05016.43
5.4.20.0470.03316.34
5.4.10.0630.05316.48
5.4.00.0530.05015.87
5.3.290.0400.04314.78
5.3.280.0530.04014.75
5.3.270.0470.06714.57
5.3.260.0470.05314.53
5.3.250.0500.05714.58
5.3.240.0600.05314.83
5.3.230.0370.04714.58
5.3.220.0470.07314.50
5.3.210.0430.07714.59
5.3.200.0430.04714.49
5.3.190.0570.06014.50
5.3.180.0570.05714.79
5.3.170.0570.05014.54
5.3.160.0470.07314.47
5.3.150.0470.03314.56
5.3.140.0500.06314.53
5.3.130.0400.04314.63
5.3.120.0500.04314.55
5.3.110.0530.06014.57
5.3.100.0470.05314.13
5.3.90.0530.06314.00
5.3.80.0500.06313.92
5.3.70.0500.05313.93
5.3.60.0500.06713.93
5.3.50.0470.06713.99
5.3.40.0330.04714.17
5.3.30.0500.06313.84
5.3.20.0500.06013.61
5.3.10.0530.04713.56
5.3.00.0470.06713.56
5.2.170.0400.06011.07
5.2.160.0400.03711.36
5.2.150.0370.03711.30
5.2.140.0400.05311.07
5.2.130.0400.05011.18
5.2.120.0400.05311.03
5.2.110.0330.03711.00
5.2.100.0470.04011.03
5.2.90.0430.03311.02
5.2.80.0270.04711.01
5.2.70.0400.04011.14
5.2.60.0470.04711.27
5.2.50.0400.02710.93
5.2.40.0370.05010.99
5.2.30.0370.03710.89
5.2.20.0330.03710.87
5.2.10.0370.03710.79
5.2.00.0370.02310.83
5.1.60.0370.04710.04
5.1.50.0430.0379.97
5.1.40.0370.04310.05
5.1.30.0270.03010.30
5.1.20.0300.02310.32
5.1.10.0330.03310.15
5.1.00.0270.03310.00
5.0.50.0170.0279.86
5.0.40.0230.0379.86
5.0.30.0230.0509.86
5.0.20.0200.0379.86
5.0.10.0230.0279.86
5.0.00.0230.0309.86
4.4.90.0200.0309.86
4.4.80.0170.0239.86
4.4.70.0200.0339.86
4.4.60.0170.0379.86
4.4.50.0270.0239.86
4.4.40.0300.0409.86
4.4.30.0200.0309.86
4.4.20.0200.0109.86
4.4.10.0200.0209.86
4.4.00.0230.0439.86
4.3.110.0170.0279.86
4.3.100.0200.0309.86
4.3.90.0230.0309.86
4.3.80.0270.0439.86
4.3.70.0170.0209.86
4.3.60.0170.0379.86
4.3.50.0170.0339.86
4.3.40.0200.0379.86
4.3.30.0130.0309.86
4.3.20.0130.0309.86
4.3.10.0070.0239.86
4.3.00.0100.0239.86

preferences:
50.1 ms | 401 KiB | 5 Q