3v4l.org

run code in 300+ PHP versions simultaneously
<?php function my_unserialize($data) { $array = unserialize($data); if(!is_array($array)) { $array = array(); } return $array; } $ryat = 'a'; class ryat { function __construct($array) { foreach($array as $key => $val) { $key = $val; var_dump($key); } } } $a = new ryat($array = array('GLOBALS'=>array('ryat'=>'ryat'))); $str = 'O:4:"ryat":0:{}'; echo $ryat; echo(serialize($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)
8.3.60.0070.01116.50
8.3.50.0220.00816.63
8.3.40.0090.00618.79
8.3.30.0140.00018.68
8.3.20.0080.00018.69
8.3.10.0040.00418.60
8.3.00.0050.00319.13
8.2.180.0100.00716.50
8.2.170.0070.00722.96
8.2.160.0110.00418.96
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0000.00721.07
8.2.110.0100.00021.09
8.2.100.0090.00318.22
8.2.90.0050.00319.30
8.2.80.0060.00318.05
8.2.70.0040.00417.50
8.2.60.0040.00417.80
8.2.50.0040.00418.07
8.2.40.0060.00319.35
8.2.30.0060.00317.75
8.2.20.0090.00017.61
8.2.10.0030.00517.66
8.2.00.0050.00517.63
8.1.280.0140.00725.92
8.1.270.0090.00023.99
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0040.00422.05
8.1.230.0040.00823.89
8.1.220.0080.00017.79
8.1.210.0040.00418.77
8.1.200.0040.00417.23
8.1.190.0000.00817.22
8.1.180.0000.00818.10
8.1.170.0000.00818.75
8.1.160.0080.00019.07
8.1.150.0040.00418.58
8.1.140.0040.00417.50
8.1.130.0040.00417.46
8.1.120.0070.00017.48
8.1.110.0000.00817.53
8.1.100.0040.00417.45
8.1.90.0040.00417.45
8.1.80.0000.00717.48
8.1.70.0040.00417.36
8.1.60.0000.00817.58
8.1.50.0040.00417.49
8.1.40.0030.00817.54
8.1.30.0040.00417.66
8.1.20.0030.00517.56
8.1.10.0080.00017.44
8.1.00.0040.00417.48
8.0.300.0070.00019.66
8.0.290.0040.00416.75
8.0.280.0030.00318.58
8.0.270.0000.00717.15
8.0.260.0070.00016.82
8.0.250.0030.00316.84
8.0.240.0000.00917.00
8.0.230.0030.00316.89
8.0.220.0070.00016.79
8.0.210.0030.00316.90
8.0.200.0000.00816.95
8.0.190.0040.00417.00
8.0.180.0040.00416.96
8.0.170.0050.00316.92
8.0.160.0000.00816.92
8.0.150.0030.00616.88
8.0.140.0070.00016.84
8.0.130.0000.00613.23
8.0.120.0020.00716.75
8.0.110.0050.00216.93
8.0.100.0000.00816.71
8.0.90.0040.00416.79
8.0.80.0060.00916.81
8.0.70.0040.00416.74
8.0.60.0030.00616.93
8.0.50.0040.00416.81
8.0.30.0100.00717.10
8.0.20.0080.01017.15
8.0.10.0040.00416.90
8.0.00.0140.00716.85
7.4.330.0000.00513.01
7.4.320.0040.00416.61
7.4.300.0000.00616.51
7.4.290.0040.00416.53
7.4.280.0040.00416.55
7.4.270.0040.00416.61
7.4.260.0050.00013.18
7.4.250.0060.00316.51
7.4.240.0070.00016.53
7.4.230.0070.00016.51
7.4.220.0120.00616.64
7.4.210.0110.00316.72
7.4.200.0000.00716.60
7.4.190.0050.00316.67
7.4.160.0120.00316.46
7.4.150.0070.01016.57
7.4.140.0150.00317.86
7.4.130.0130.00416.49
7.4.120.0130.01016.54
7.4.110.0030.01716.45
7.4.100.0150.00916.58
7.4.90.0080.00916.45
7.4.80.0110.00719.39
7.4.70.0090.00916.28
7.4.60.0130.00316.53
7.4.50.0040.00416.58
7.4.40.0040.01116.35
7.4.30.0160.00016.37
7.4.00.0000.01114.73
7.3.330.0000.00713.33
7.3.320.0050.00013.33
7.3.310.0070.00016.47
7.3.300.0070.00016.37
7.3.290.0090.00716.33
7.3.280.0110.00316.33
7.3.270.0090.00816.34
7.3.260.0150.00416.27
7.3.240.0060.01016.58
7.3.230.0060.01616.70
7.3.210.0100.01016.65
7.3.200.0090.01216.31
7.3.190.0150.00616.57
7.3.180.0120.00916.61
7.3.170.0070.01016.38
7.3.160.0090.00616.51
7.3.120.0040.01114.85
7.2.330.0120.01416.54
7.2.320.0170.00316.65
7.2.310.0030.01716.85
7.2.300.0100.00716.71
7.2.290.0070.01016.83
7.2.60.0000.01016.86
7.1.200.0040.01115.66
7.1.70.0000.01116.98
7.1.60.0100.01319.25
7.1.50.0140.01117.02
7.1.00.0100.06022.57
7.0.200.0140.00716.57
7.0.140.0030.07322.11
7.0.120.0070.07022.15
7.0.60.0170.04019.98
7.0.50.0100.08017.89
7.0.40.0100.05717.72
7.0.30.0170.04317.69
7.0.20.0030.05317.85
7.0.10.0070.04017.71
7.0.00.0070.06317.75
5.6.280.0030.07321.04
5.6.210.0000.06320.47
5.6.200.0070.05318.22
5.6.190.0030.08018.11
5.6.180.0070.06718.12
5.6.170.0070.08018.27
5.6.160.0100.07718.15
5.6.150.0100.07718.23
5.6.140.0100.06318.13
5.6.130.0100.07718.28
5.6.120.0170.07318.24
5.6.110.0100.06318.26
5.6.100.0100.07718.16
5.6.90.0070.05018.16
5.6.80.0170.06017.55
5.6.70.0000.06317.55
5.6.60.0070.03717.62
5.6.50.0030.04317.57
5.6.40.0100.06317.53
5.6.30.0070.05017.61
5.6.20.0100.06717.69
5.6.10.0100.04317.55
5.6.00.0030.05317.56
5.5.350.0170.05720.39
5.5.340.0070.06718.00
5.5.330.0070.07317.98
5.5.320.0030.04718.09
5.5.310.0030.06717.98
5.5.300.0130.07318.08
5.5.290.0070.05717.93
5.5.280.0100.08018.10
5.5.270.0070.08317.98
5.5.260.0070.08718.03
5.5.250.0070.07317.79
5.5.240.0030.07017.34
5.5.230.0100.07717.36
5.5.220.0030.08017.37
5.5.210.0070.04317.33
5.5.200.0070.04017.35
5.5.190.0000.06317.32
5.5.180.0030.07017.29
5.5.160.0230.06017.45
5.5.150.0100.07317.31
5.5.140.0000.08017.43
5.5.130.0130.07017.43
5.5.120.0030.05317.30
5.5.110.0100.05317.29
5.5.100.0030.08017.29
5.5.90.0130.07317.20
5.5.80.0070.07717.33
5.5.70.0030.05317.28
5.5.60.0030.07717.25
5.5.50.0070.06017.18
5.5.40.0000.05717.20
5.5.30.0130.05017.20
5.5.20.0100.06717.23
5.5.10.0130.07017.31
5.5.00.0070.05317.15
5.4.450.0130.07019.21
5.4.440.0100.05319.37
5.4.430.0030.08719.44
5.4.420.0030.07319.45
5.4.410.0030.08019.22
5.4.400.0000.07019.02
5.4.390.0130.04319.01
5.4.380.0000.04319.13
5.4.370.0000.04018.88
5.4.360.0000.04719.14
5.4.350.0070.04719.12
5.4.340.0170.06719.07
5.4.320.0100.07718.98
5.4.310.0130.06718.89
5.4.300.0030.06319.22
5.4.290.0070.07719.00
5.4.280.0030.06719.04
5.4.270.0070.05319.26
5.4.260.0170.07319.05
5.4.250.0100.07018.95
5.4.240.0030.08319.09
5.4.230.0030.05019.02
5.4.220.0130.04718.94
5.4.210.0070.07718.98
5.4.200.0070.04319.09
5.4.190.0130.07319.00
5.4.180.0030.05019.11
5.4.170.0130.06319.00
5.4.160.0100.08018.98
5.4.150.0100.08018.93
5.4.140.0130.06316.63
5.4.130.0070.03716.47
5.4.120.0000.04016.45
5.4.110.0130.05716.42
5.4.100.0070.07016.36
5.4.90.0100.07016.43
5.4.80.0170.06716.44
5.4.70.0000.07716.27
5.4.60.0100.06016.50
5.4.50.0100.06716.26
5.4.40.0100.06016.47
5.4.30.0000.05716.47
5.4.20.0030.07716.32
5.4.10.0100.04016.43
5.4.00.0200.05315.83
5.3.290.0070.06714.73
5.3.280.0070.04314.60
5.3.270.0130.07014.57
5.3.260.0100.06714.66
5.3.250.0030.07014.82
5.3.240.0030.04014.83
5.3.230.0030.04014.64
5.3.220.0030.04014.65
5.3.210.0030.04014.61
5.3.200.0030.06014.68
5.3.190.0070.07714.79
5.3.180.0000.08014.60
5.3.170.0030.07714.63
5.3.160.0100.06014.61
5.3.150.0070.08014.61
5.3.140.0030.07714.61
5.3.130.0070.06314.60
5.3.120.0100.07714.61
5.3.110.0170.07014.58
5.3.100.0070.07314.04
5.3.90.0030.07714.07
5.3.80.0170.06314.00
5.3.70.0070.04314.07
5.3.60.0000.04013.86
5.3.50.0070.07013.99
5.3.40.0070.05713.99
5.3.30.0070.05713.96
5.3.20.0070.07713.55
5.3.10.0030.07313.69
5.3.00.0070.03313.53
5.2.170.0030.03711.22
5.2.160.0100.05711.19
5.2.150.0030.03711.18
5.2.140.0170.04011.36
5.2.130.0030.04711.00
5.2.120.0100.03311.13
5.2.110.0070.04011.20
5.2.100.0030.05011.15
5.2.90.0130.02011.15
5.2.80.0030.04711.09
5.2.70.0030.06711.18
5.2.60.0000.04711.05
5.2.50.0030.04011.00
5.2.40.0030.03710.90
5.2.30.0000.04710.98
5.2.20.0030.06711.02
5.2.10.0030.05011.07
5.2.00.0070.05010.80
5.1.60.0130.0439.91
5.1.50.0030.04010.06
5.1.40.0070.0379.81
5.1.30.0000.06310.38
5.1.20.0030.04310.40
5.1.10.0000.06010.13
5.1.00.0070.04010.11
5.0.50.0100.0308.63
5.0.40.0070.0438.63
5.0.30.0000.0678.63
5.0.20.0070.0438.63
5.0.10.0000.0338.63
5.0.00.0030.0578.63
4.4.90.0070.0308.63
4.4.80.0030.0338.63
4.4.70.0030.0378.63
4.4.60.0000.0238.63
4.4.50.0000.0308.63
4.4.40.0000.0378.63
4.4.30.0030.0338.63
4.4.20.0030.0378.63
4.4.10.0070.0238.63
4.4.00.0070.0508.63
4.3.110.0030.0308.63
4.3.100.0000.0238.63
4.3.90.0030.0338.63
4.3.80.0000.0578.63
4.3.70.0070.0238.63
4.3.60.0030.0378.63
4.3.50.0000.0308.63
4.3.40.0000.0508.63
4.3.30.0000.0308.63
4.3.20.0070.0338.63
4.3.10.0000.0378.63
4.3.00.0000.0378.63

preferences:
47.83 ms | 401 KiB | 5 Q