3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array ( 0 => array ( 'php' => "5.3", ), 1 => array ( 'php' => "5.3", ), 2 => array ( 'php' => "5.3", ), ); $loopSize = 100000; for ($i = 0; $i < $loopSize; $i++) { $a = array_map('json_encode', $a); $a = array_unique($a); $a = array_map(function($v) { return json_decode($v, true);}, $a); };

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)
8.3.60.0200.07518.20
8.3.50.0100.09317.33
8.3.40.0070.09218.46
8.3.30.0030.10818.54
8.3.20.0000.04918.50
8.3.10.0070.04320.38
8.3.00.0060.04217.46
8.2.180.0190.06816.50
8.2.170.0170.09422.96
8.2.160.0070.08922.13
8.2.150.0060.04524.18
8.2.140.0170.05324.66
8.2.130.0060.04526.16
8.2.120.0000.04919.89
8.2.110.0070.07320.97
8.2.100.0030.08117.72
8.2.90.0000.08019.15
8.2.80.0000.08117.97
8.2.70.0070.07717.63
8.2.60.0030.07817.93
8.2.50.0070.07118.07
8.2.40.0100.06918.16
8.2.30.0030.07518.07
8.2.20.0070.07417.65
8.2.10.0000.07717.72
8.2.00.0070.07217.67
8.1.280.0200.08925.92
8.1.270.0030.04423.99
8.1.260.0030.04626.35
8.1.250.0000.05428.09
8.1.240.0070.07222.46
8.1.230.0100.06620.88
8.1.220.0070.07018.77
8.1.210.0000.07619.03
8.1.200.0000.08217.22
8.1.190.0030.07617.51
8.1.180.0000.07618.10
8.1.170.0070.07018.90
8.1.160.0030.07418.94
8.1.150.0060.07118.58
8.1.140.0030.07217.46
8.1.130.0030.06817.71
8.1.120.0000.07717.52
8.1.110.0070.07217.49
8.1.100.0060.07417.46
8.1.90.0030.07817.36
8.1.80.0030.07117.42
8.1.70.0030.07617.46
8.1.60.0030.07817.54
8.1.50.0070.07317.47
8.1.40.0000.08617.53
8.1.30.0000.08117.61
8.1.20.0070.07517.65
8.1.10.0030.07817.33
8.1.00.0030.07917.28
8.0.300.0070.07119.94
8.0.290.0000.08116.63
8.0.280.0030.07618.39
8.0.270.0030.07617.12
8.0.260.0000.07918.55
8.0.250.0070.07316.77
8.0.240.0060.08016.86
8.0.230.0000.07716.85
8.0.220.0060.07116.90
8.0.210.0000.08016.85
8.0.200.0030.07416.84
8.0.190.0000.08216.86
8.0.180.0100.07016.91
8.0.170.0030.07616.88
8.0.160.0000.07916.89
8.0.150.0030.09116.88
8.0.140.0100.08916.81
8.0.130.0060.07113.36
8.0.120.0070.07316.73
8.0.110.0070.07316.79
8.0.100.0070.07616.84
8.0.90.0030.07517.01
8.0.80.0070.11616.89
8.0.70.0070.08416.77
8.0.60.0100.07016.89
8.0.50.0000.08116.79
8.0.30.0150.11017.04
8.0.20.0110.11417.07
8.0.10.0030.07716.96
8.0.00.0130.17216.63
7.4.330.0000.07714.76
7.4.320.0000.07816.40
7.4.300.0000.07416.51
7.4.290.0030.07516.61
7.4.280.0100.11116.61
7.4.270.0090.07416.37
7.4.260.0000.07913.22
7.4.250.0030.07816.62
7.4.240.0070.07216.54
7.4.230.0000.08016.34
7.4.220.0130.15016.50
7.4.210.0070.13916.56
7.4.200.0000.07916.43
7.4.190.0030.07916.48
7.4.160.0100.11016.59
7.4.150.0100.11317.07
7.4.140.0080.12317.22
7.4.130.0100.14916.39
7.4.120.0070.13816.51
7.4.110.0160.11016.42
7.4.100.0160.18516.53
7.4.90.0130.21916.55
7.4.80.0100.10718.80
7.4.70.0060.12216.43
7.4.60.0130.10216.48
7.4.50.0000.06516.47
7.4.40.0100.11222.27
7.4.30.0120.10916.55
7.4.00.0070.11514.98
7.3.330.0060.07113.16
7.3.320.0000.09213.25
7.3.310.0030.07516.34
7.3.300.0000.07716.25
7.3.290.0070.16016.35
7.3.280.0070.15416.27
7.3.270.0090.20817.07
7.3.260.0070.14218.24
7.3.250.0130.12716.26
7.3.240.0100.12516.50
7.3.230.0130.12016.39
7.3.210.0100.15416.30
7.3.200.0100.19319.39
7.3.190.0100.13716.59
7.3.180.0070.17316.29
7.3.170.0030.13216.32
7.3.160.0070.11116.43
7.3.120.0030.12014.44
7.2.330.0060.13616.59
7.2.320.0060.11616.66
7.2.310.0170.15916.48
7.2.300.0030.12316.56
7.2.290.0070.12316.79
7.2.00.0030.09919.57
7.1.100.0780.14515.55
7.1.70.0330.07717.21
7.1.60.0100.14519.40
7.1.50.0030.09016.70
7.1.00.0030.13322.40
7.0.200.0030.09916.78
7.0.140.0030.20022.09
7.0.60.0400.15020.07
7.0.50.0030.19717.86
7.0.40.0000.13020.27
7.0.30.0300.17020.36
7.0.20.0270.14320.33
7.0.10.0100.17320.16
7.0.00.0070.14020.33
5.6.280.0030.35721.04
5.6.210.0070.29020.62
5.6.200.0070.25718.18
5.6.190.0070.23320.51
5.6.180.0470.26020.63
5.6.170.0370.25020.55
5.6.160.0070.28020.47
5.6.150.0030.25018.29
5.6.140.0100.24018.23
5.6.130.0070.22018.28
5.6.120.0030.24320.99
5.6.110.0070.29020.98
5.6.100.0100.29320.96
5.6.90.0170.23321.03
5.6.80.0100.23320.41
5.5.350.0270.28320.38
5.5.340.0100.29017.92
5.5.330.0070.34320.38
5.5.320.0330.27320.52
5.5.310.0270.28320.34
5.5.300.0130.25318.04
5.5.290.0100.29718.07
5.5.280.0070.28320.75
5.5.270.0070.23720.78
5.5.260.0130.29020.79
5.5.250.0030.23020.61
5.5.240.0030.28320.26
5.4.450.0070.30019.45
5.4.440.0100.25719.56
5.4.430.0030.23719.48
5.4.420.0100.28319.32
5.4.410.0070.24719.35
5.4.400.0030.21719.13
5.4.390.0030.23018.88
5.4.380.0200.23719.25
5.4.370.0070.24019.25
5.4.360.0070.26018.86
5.4.350.0070.27318.98
5.4.340.0070.22319.14
5.4.320.0130.23718.97
5.4.310.0130.24019.00
5.4.300.0030.22718.84
5.4.290.0000.29319.00
5.4.280.0130.28019.14
5.4.270.0100.25019.20
5.4.260.0030.29719.18
5.4.250.0070.28719.25
5.4.240.0070.24318.85
5.4.230.0100.29719.07
5.4.220.0030.23319.14
5.4.210.0070.25719.15
5.4.200.0070.29019.07
5.4.190.0070.24319.14
5.4.180.0070.24319.23
5.4.170.0030.28318.86
5.4.160.0070.27718.99
5.4.150.0100.21719.13
5.4.140.0070.28016.50
5.4.130.0130.32316.36
5.4.120.0170.25316.30
5.4.110.0030.28016.30
5.4.100.0030.27716.30
5.4.90.0070.22316.37
5.4.80.0100.22316.37
5.4.70.0100.28316.26
5.4.60.0400.24016.35
5.4.50.0000.29016.31
5.4.40.0030.24316.26
5.4.30.0030.22316.22
5.4.20.0070.22016.62
5.4.10.0000.23716.64
5.4.00.0000.27015.93
5.3.290.0030.25314.55
5.3.280.0100.28714.59
5.3.270.0100.25014.60
5.3.260.0000.30314.66
5.3.250.0030.26714.61
5.3.240.0030.23314.61
5.3.230.0030.22314.61
5.3.220.0030.24014.59
5.3.210.0070.25314.57
5.3.200.0070.28014.57
5.3.190.0000.28314.63
5.3.180.0000.28314.59
5.3.170.0470.30014.57
5.3.160.0070.29014.45
5.3.150.0100.30314.58
5.3.140.0070.24014.58
5.3.130.0030.26714.54
5.3.120.0030.22014.60
5.3.110.0000.30314.47
5.3.100.0030.25714.19
5.3.90.0030.22714.05
5.3.80.0070.21714.07
5.3.70.0030.22013.99
5.3.60.0030.22314.07
5.3.50.0000.22313.96
5.3.40.0000.23313.99
5.3.30.0070.21713.96
5.3.20.0070.22013.72
5.3.10.0070.23013.81
5.3.00.0000.23013.69
5.2.170.0130.02311.04
5.2.160.0070.02311.14
5.2.150.0000.03011.08
5.2.140.0030.03311.09
5.2.130.0030.03011.05
5.2.120.0030.02711.10
5.2.110.0030.02711.04
5.2.100.0030.04011.04
5.2.90.0030.05010.99
5.2.80.0070.03710.91
5.2.70.0100.04710.92
5.2.60.0030.02711.04
5.2.50.0100.05710.95
5.2.40.0130.05310.98
5.2.30.0100.04310.93
5.2.20.0030.05010.94
5.2.10.0000.03710.86
5.2.00.0030.04310.80
5.1.60.0070.0409.96
5.1.50.0070.04710.01
5.1.40.0000.0379.96
5.1.30.0030.05710.38
5.1.20.0130.04010.30
5.1.10.0070.04710.04
5.1.00.0030.05310.14
5.0.50.0000.0508.53
5.0.40.0030.0438.25
5.0.30.0000.0538.21
5.0.20.0030.0478.19
5.0.10.0030.0478.32
5.0.00.0100.0538.14
4.4.90.0000.0236.56
4.4.80.0000.0376.56
4.4.70.0000.0336.56
4.4.60.0000.0236.56
4.4.50.0030.0376.56
4.4.40.0030.0376.56
4.4.30.0030.0236.56
4.4.20.0030.0276.56
4.4.10.0030.0376.56
4.4.00.0030.0436.56
4.3.110.0000.0406.56
4.3.100.0030.0306.56
4.3.90.0070.0336.56
4.3.80.0070.0506.56
4.3.70.0030.0276.56
4.3.60.0000.0206.56
4.3.50.0000.0206.56
4.3.40.0030.0276.56
4.3.30.0030.0306.56
4.3.20.0000.0406.56
4.3.10.0030.0276.56
4.3.00.0070.0276.56

preferences:
46 ms | 401 KiB | 5 Q