3v4l.org

run code in 300+ PHP versions simultaneously
<?php header('Content-type: text/plain'); $a = json_decode("[{\"id\":1, \"foo\":{\"123\": \"bar\"}}]"); $b = unserialize(serialize($a)); foreach($a[0]->foo as $name => $value) { $b[0]->foo->$name = "baz"; var_dump($b); }

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)
8.3.60.0140.00716.50
8.3.50.0110.00622.11
8.3.40.0060.00918.64
8.3.30.0110.00419.17
8.3.20.0040.00420.34
8.3.10.0080.00023.53
8.3.00.0030.00619.26
8.2.180.0120.00318.06
8.2.170.0100.01022.96
8.2.160.0170.00320.35
8.2.150.0080.00025.66
8.2.140.0080.00024.66
8.2.130.0030.01026.16
8.2.120.0050.00322.25
8.2.110.0070.01422.14
8.2.100.0100.00317.91
8.2.90.0080.00019.22
8.2.80.0080.00018.03
8.2.70.0000.00817.75
8.2.60.0060.00317.78
8.2.50.0000.00918.07
8.2.40.0060.00318.28
8.2.30.0000.00718.13
8.2.20.0020.00517.67
8.2.10.0050.00317.75
8.2.00.0030.00617.72
8.1.280.0080.00825.92
8.1.270.0000.00823.99
8.1.260.0000.00726.35
8.1.250.0050.00328.09
8.1.240.0050.00523.91
8.1.230.0060.00619.01
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0080.00017.43
8.1.180.0040.00418.10
8.1.170.0050.00518.34
8.1.160.0050.00321.93
8.1.150.0070.00018.69
8.1.140.0000.00717.45
8.1.130.0000.00717.86
8.1.120.0000.00717.45
8.1.110.0040.00417.44
8.1.100.0040.00417.34
8.1.90.0040.00417.35
8.1.80.0070.00017.47
8.1.70.0070.00017.41
8.1.60.0030.00617.55
8.1.50.0060.00317.57
8.1.40.0000.00917.52
8.1.30.0030.00617.62
8.1.20.0030.00617.71
8.1.10.0040.00417.55
8.1.00.0050.00217.47
8.0.300.0000.00718.77
8.0.290.0040.00417.16
8.0.280.0000.00818.46
8.0.270.0050.00217.20
8.0.260.0050.00216.75
8.0.250.0050.00217.06
8.0.240.0040.00417.02
8.0.230.0020.00516.98
8.0.220.0050.00316.95
8.0.210.0000.00716.95
8.0.200.0070.00017.00
8.0.190.0080.00416.97
8.0.180.0030.00516.91
8.0.170.0060.00317.00
8.0.160.0000.00816.97
8.0.150.0050.00316.95
8.0.140.0000.00816.93
8.0.130.0030.00513.39
8.0.120.0070.00016.94
8.0.110.0030.00317.02
8.0.100.0000.00716.75
8.0.90.0020.00517.05
8.0.80.0070.00716.86
8.0.70.0030.00517.02
8.0.60.0070.00017.04
8.0.50.0030.00516.86
8.0.30.0090.00917.20
8.0.20.0100.00917.43
8.0.10.0040.00416.89
8.0.00.0090.00916.80
7.4.330.0000.00515.02
7.4.320.0000.00716.48
7.4.300.0030.00316.62
7.4.290.0000.00616.65
7.4.280.0000.00816.64
7.4.270.0030.00316.59
7.4.260.0070.00016.59
7.4.250.0040.00416.37
7.4.240.0030.00316.49
7.4.230.0020.00516.68
7.4.220.0130.00616.58
7.4.210.0080.00816.58
7.4.200.0040.00416.46
7.4.190.0070.00016.76
7.4.160.0060.00916.55
7.4.150.0120.00617.40
7.4.140.0150.00517.86
7.4.130.0100.01016.45
7.4.120.0110.00716.59
7.4.110.0080.00816.47
7.4.100.0100.00716.43
7.4.90.0170.00516.54
7.4.80.0120.00919.39
7.4.70.0030.01416.40
7.4.60.0030.01516.30
7.4.50.0030.00616.64
7.4.40.0120.00022.77
7.4.30.0100.00716.62
7.4.00.0070.01115.01
7.3.330.0030.00313.32
7.3.320.0030.00313.07
7.3.310.0030.00316.25
7.3.300.0030.00316.17
7.3.290.0120.00416.38
7.3.280.0080.00716.31
7.3.270.0140.00317.40
7.3.260.0300.01716.32
7.3.250.0090.01216.33
7.3.240.0030.01516.47
7.3.230.0090.00916.39
7.3.210.0140.00316.44
7.3.200.0120.00919.39
7.3.190.0030.01816.36
7.3.180.0060.01516.32
7.3.170.0130.00316.51
7.3.160.0140.00316.52
7.3.120.0060.00914.91
7.3.10.0090.00616.75
7.3.00.0070.00316.46
7.2.330.0080.00916.74
7.2.320.0050.01516.66
7.2.310.0040.01516.36
7.2.300.0110.00616.52
7.2.290.0170.00016.60
7.2.130.0000.01016.78
7.2.120.0100.00617.09
7.2.110.0040.01217.02
7.2.100.0000.01216.91
7.2.90.0070.01117.06
7.2.80.0110.00317.08
7.2.70.0090.00617.14
7.2.60.0070.00716.99
7.2.50.0000.01516.89
7.2.40.0000.01416.75
7.2.30.0070.00716.92
7.2.20.0060.00616.63
7.2.10.0040.01116.71
7.2.00.0070.00717.09
7.1.250.0030.01015.91
7.1.200.0080.00415.84
7.1.70.0030.00616.86
7.1.60.0070.01819.31
7.1.50.0070.01116.86
7.1.00.0100.07022.48
7.0.200.0070.00716.88
7.0.140.0070.07021.95
7.0.60.0100.08020.04
7.0.50.0070.07317.90
7.0.40.0030.04320.40
7.0.30.0530.04020.04
7.0.20.0370.07320.02
7.0.10.0070.08320.49
7.0.00.0000.04720.01
5.6.280.0070.07020.82
5.6.210.0070.08320.76
5.6.200.0100.08718.19
5.6.190.0030.04720.61
5.6.180.0270.04320.50
5.6.170.0270.03720.49
5.6.160.0000.04720.46
5.6.150.0070.07018.13
5.6.140.0070.05718.17
5.6.130.0100.06718.10
5.6.120.0030.07321.11
5.6.110.0100.08021.09
5.6.100.0130.08321.13
5.6.90.0100.07020.96
5.6.80.0100.03320.39
5.6.70.4470.03020.30
5.5.350.0070.04320.38
5.5.340.0070.03317.97
5.5.330.0030.06320.25
5.5.320.0470.05320.17
5.5.310.0300.05020.21
5.5.300.0030.06717.92
5.5.290.0030.04317.91
5.5.280.0030.08320.84
5.5.270.0100.05720.79
5.5.260.0070.07720.72
5.5.250.0070.08020.69
5.5.240.0270.05720.07
5.4.450.1800.03719.26
5.4.440.1900.04019.49
5.4.430.1970.04019.45
5.4.420.1930.03319.13
5.4.410.2030.04719.44
5.4.400.1770.03319.09
5.4.390.0030.06318.78
5.4.380.0070.07318.78
5.4.370.0970.06319.20
5.4.360.1430.05018.94
5.4.350.0130.06719.16
5.4.340.0030.03719.24
5.4.320.0630.08019.13
5.4.310.2100.04018.93
5.4.300.2070.04019.16
5.4.290.2000.04718.88
5.4.280.2000.04019.21
5.4.270.2100.04019.04
5.4.260.1970.05018.90
5.4.250.2100.04319.23
5.4.240.1930.04018.80
5.4.230.1970.04019.07
5.4.220.1900.04019.12
5.4.210.1770.04019.07
5.4.200.1930.04019.12
5.4.190.1870.05019.14
5.4.180.1700.04019.07
5.4.170.1900.04719.06
5.4.160.1830.03319.08
5.4.150.1730.04319.04
5.4.140.2300.03716.27
5.4.130.0830.04316.32
5.4.120.0030.04016.36
5.4.110.0000.04016.39
5.4.100.1700.03716.19
5.4.90.1930.02716.34
5.4.80.2170.03316.48
5.4.70.2130.04316.21
5.4.60.1870.03016.39
5.4.50.2130.03316.36
5.4.40.1870.03716.20
5.4.30.1800.03716.40
5.4.20.1870.03016.27
5.4.10.2130.04716.30
5.4.00.1800.03715.86
5.3.290.1830.03314.53
5.3.280.2170.04014.54
5.3.270.2370.04014.56
5.3.260.2170.04014.52
5.3.250.2130.03314.71
5.3.240.2070.04314.56
5.3.230.2000.04314.54
5.3.220.2100.03714.51
5.3.210.2030.03714.62
5.3.200.1730.03714.59
5.3.190.2100.03714.67
5.3.180.2130.03714.52
5.3.170.1830.04714.52
5.3.160.2130.04714.45
5.3.150.1900.04314.42
5.3.140.1730.04014.46
5.3.130.1800.04014.64
5.3.120.1830.03714.39
5.3.110.1730.04314.57
5.3.100.1900.05014.09
5.3.90.1630.04713.98
5.3.80.1900.03314.07
5.3.70.2100.04013.82
5.3.60.1770.04013.85
5.3.50.1970.04713.80
5.3.40.1970.05014.00
5.3.30.2030.04013.90
5.3.20.2270.04713.65
5.3.10.2400.03713.62
5.3.00.2530.03013.44
5.2.170.1800.02711.05
5.2.160.1700.03011.04
5.2.150.1670.02711.31
5.2.140.1930.03710.98
5.2.130.2000.02310.99
5.2.120.2070.03710.98
5.2.110.2030.03711.04
5.2.100.2100.02711.16
5.2.90.2000.03011.00
5.2.80.1970.03011.05
5.2.70.2000.03710.96
5.2.60.1730.03310.89
5.2.50.1630.02310.91
5.2.40.1230.02711.05
5.2.30.1270.02710.99
5.2.20.1330.03010.84
5.2.10.1470.02710.86
5.2.00.1200.03010.80
5.1.60.1230.02710.07
5.1.50.1200.0309.97
5.1.40.1270.02310.05
5.1.30.1230.03010.24
5.1.20.1200.03010.21
5.1.10.1330.02710.04
5.1.00.1270.02310.07
5.0.50.0770.0278.90
5.0.40.0630.0208.90
5.0.30.0600.0308.90
5.0.20.0600.0208.90
5.0.10.0630.0178.90
5.0.00.0800.0278.90
4.4.90.0630.0138.90
4.4.80.0630.0108.90
4.4.70.0770.0238.90
4.4.60.0800.0138.90
4.4.50.0600.0178.90
4.4.40.0530.0238.90
4.4.30.0700.0178.90
4.4.20.0600.0178.90
4.4.10.0500.0138.90
4.4.00.0600.0278.90
4.3.110.0630.0138.90
4.3.100.0570.0178.90
4.3.90.0600.0178.90
4.3.80.0600.0238.90
4.3.70.0630.0178.90
4.3.60.0630.0178.90
4.3.50.0600.0138.90
4.3.40.0600.0238.90
4.3.30.0300.0178.90
4.3.20.0370.0138.90
4.3.10.0330.0138.90
4.3.00.0330.0138.90

preferences:
43.36 ms | 401 KiB | 5 Q