3v4l.org

run code in 300+ PHP versions simultaneously
<?php class TestParent { private $adsa = 'asd'; } class Test extends TestParent { private $test = 'asd2'; public function __sleep() { return array('test', 'adsa'); } } $a = new Test(); echo serialize($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)
8.3.60.0140.00418.30
8.3.50.0160.00316.25
8.3.40.0090.00618.83
8.3.30.0140.00018.51
8.3.20.0060.00320.13
8.3.10.0080.00021.76
8.3.00.0080.00019.44
8.2.180.0140.00718.45
8.2.170.0100.00322.96
8.2.160.0060.00920.35
8.2.150.0030.00624.18
8.2.140.0120.00624.66
8.2.130.0080.00026.16
8.2.120.0090.00017.88
8.2.110.0050.00520.33
8.2.100.0000.01217.72
8.2.90.0030.00618.22
8.2.80.0060.00317.97
8.2.70.0080.00017.63
8.2.60.0030.00517.93
8.2.50.0080.00418.07
8.2.40.0060.00321.09
8.2.30.0000.00717.96
8.2.20.0040.00417.59
8.2.10.0000.00718.05
8.2.00.0040.00417.88
8.1.280.0140.00025.92
8.1.270.0040.00420.38
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0040.00422.05
8.1.230.0070.00420.85
8.1.220.0070.00317.74
8.1.210.0040.00418.77
8.1.200.0040.00417.23
8.1.190.0000.00817.23
8.1.180.0000.00918.10
8.1.170.0040.00418.51
8.1.160.0000.00821.95
8.1.150.0030.00518.81
8.1.140.0000.00817.29
8.1.130.0030.00517.54
8.1.120.0000.00717.24
8.1.110.0040.00417.35
8.1.100.0000.00717.40
8.1.90.0050.00317.37
8.1.80.0000.00817.34
8.1.70.0060.00017.29
8.1.60.0040.00417.40
8.1.50.0040.00417.52
8.1.40.0000.00817.36
8.1.30.0060.00617.63
8.1.20.0080.00017.66
8.1.10.0080.00017.63
8.1.00.0040.00417.52
8.0.300.0040.00419.99
8.0.290.0040.00416.75
8.0.280.0030.00518.43
8.0.270.0030.00317.24
8.0.260.0030.00317.24
8.0.250.0040.00417.00
8.0.240.0040.00417.04
8.0.230.0030.00316.83
8.0.220.0030.00316.90
8.0.210.0040.00416.77
8.0.200.0030.00316.96
8.0.190.0040.00416.98
8.0.180.0040.00416.80
8.0.170.0090.00016.68
8.0.160.0040.00416.89
8.0.150.0000.00816.71
8.0.140.0080.00016.87
8.0.130.0050.00313.34
8.0.120.0080.00016.82
8.0.110.0000.00816.71
8.0.100.0040.00416.92
8.0.90.0000.00716.68
8.0.80.0070.01016.82
8.0.70.0040.00416.76
8.0.60.0040.00416.75
8.0.50.0070.00016.85
8.0.30.0110.00817.03
8.0.20.0130.00717.40
8.0.10.0040.00417.04
8.0.00.0120.00616.71
7.4.330.0030.00315.08
7.4.320.0000.00616.29
7.4.300.0030.00316.56
7.4.290.0000.00716.54
7.4.280.0000.00716.56
7.4.270.0030.00316.60
7.4.260.0000.00716.48
7.4.250.0030.00516.44
7.4.240.0000.00716.57
7.4.230.0020.00516.33
7.4.220.0110.00816.45
7.4.210.0120.00616.52
7.4.200.0030.00316.57
7.4.160.0040.01216.47
7.4.150.0090.00917.40
7.4.140.0140.00717.86
7.4.130.0070.01116.55
7.4.120.0110.00616.49
7.4.110.0090.00916.40
7.4.100.0150.00616.61
7.4.90.0090.00816.43
7.4.80.0080.01119.39
7.4.70.0060.01616.54
7.4.60.0060.00916.43
7.4.50.0040.00416.31
7.4.40.0060.01016.32
7.4.30.0140.01016.51
7.4.00.0110.00614.81
7.3.330.0030.00313.25
7.3.320.0030.00313.27
7.3.310.0030.00316.39
7.3.300.0000.00616.18
7.3.290.0090.00816.23
7.3.280.0130.00516.27
7.3.270.0120.01217.40
7.3.260.0070.01716.45
7.3.250.0090.00716.37
7.3.240.0100.00716.29
7.3.230.0120.00916.39
7.3.210.0080.01016.21
7.3.200.0100.00719.39
7.3.190.0100.00716.22
7.3.180.0030.01216.39
7.3.170.0110.01116.36
7.3.160.0060.01616.29
7.3.120.0070.00714.98
7.3.110.0070.00714.77
7.3.100.0100.00614.84
7.3.90.0040.00814.89
7.3.80.0000.01014.82
7.3.70.0070.00714.56
7.3.60.0030.00614.59
7.3.50.0070.00714.58
7.3.40.0070.00714.70
7.3.30.0040.00814.77
7.3.20.0090.00616.60
7.3.10.0100.00716.70
7.3.00.0040.01216.46
7.2.330.0100.01316.46
7.2.320.0060.01016.32
7.2.310.0030.01416.32
7.2.300.0040.01216.47
7.2.290.0120.00616.36
7.2.250.0090.00914.83
7.2.240.0000.02015.07
7.2.230.0000.01514.59
7.2.220.0100.00315.05
7.2.210.0070.01014.99
7.2.200.0000.01514.89
7.2.190.0090.00015.10
7.2.180.0000.01214.76
7.2.170.0080.00414.93
7.2.00.0030.01219.47
7.1.330.0040.01415.79
7.1.320.0040.00715.86
7.1.310.0030.01216.05
7.1.300.0120.00315.49
7.1.290.0030.01015.64
7.1.280.0080.00315.72
7.1.270.0070.00715.82
7.1.260.0070.00415.43
7.1.100.0070.00717.71
7.1.70.0110.00317.16
7.1.60.0210.00420.03
7.1.50.0090.01216.57
7.1.00.0100.07022.36
7.0.200.0030.00316.46
7.0.60.0070.03719.93
7.0.50.0070.05317.87
7.0.40.0030.04320.24
7.0.30.0330.05720.26
7.0.20.0200.07020.30
7.0.10.0070.08020.21
7.0.00.0070.05720.09
5.6.280.0070.07021.04
5.6.210.0170.05720.67
5.6.200.0100.06318.17
5.6.190.0070.04720.34
5.6.180.0000.08720.61
5.6.170.0330.07020.55
5.6.160.0030.06320.49
5.6.150.0030.04318.21
5.6.140.0130.05018.14
5.6.130.0000.04718.15
5.6.120.0070.03721.00
5.6.110.0130.08721.14
5.6.100.0030.04320.98
5.6.90.0170.08021.10
5.6.80.0130.07720.35
5.5.350.0370.07320.41
5.5.340.0030.08318.04
5.5.330.0130.06020.38
5.5.320.0170.05020.20
5.5.310.0230.05020.31
5.5.300.0070.08317.94
5.5.290.0070.04317.97
5.5.280.0070.04320.79
5.5.270.0130.07720.76
5.5.260.0030.04720.96
5.5.250.0130.07720.46
5.5.240.0030.03320.27
5.4.450.0700.05319.24
5.4.440.0770.04719.41
5.4.430.0870.05019.57
5.4.420.0730.06019.59
5.4.410.0900.04719.44
5.4.400.0130.05019.09
5.4.390.0130.05719.14
5.4.380.0100.05019.01
5.4.370.0500.05018.96
5.4.360.0870.05019.13
5.4.350.1130.05718.91
5.4.340.1030.05319.27
5.4.320.0870.04718.80
5.4.310.0870.04718.96
5.4.300.0900.04719.00
5.4.290.0700.05319.31
5.4.280.0870.05019.26
5.4.270.1070.05719.09
5.4.260.0900.05719.14
5.4.250.0800.05019.24
5.4.240.0770.06019.21
5.4.230.0830.05319.07
5.4.220.1170.06019.17
5.4.210.1130.06019.11
5.4.200.0970.07716.96
5.4.190.0830.05319.22
5.4.180.0870.05019.13
5.4.170.0870.05018.96
5.4.160.0830.05718.90
5.4.150.0830.05018.90
5.4.140.0870.05716.36
5.4.130.0830.05016.77
5.4.120.0770.04016.61
5.4.110.1000.05716.42
5.4.100.0900.04716.48
5.4.90.0830.04716.52
5.4.80.0730.06016.55
5.4.70.0830.05016.33
5.4.60.0800.05716.30
5.4.50.0930.05316.39
5.4.40.0800.04716.48
5.4.30.0870.04716.27
5.4.20.0730.05316.39
5.4.10.0670.05316.52
5.4.00.0900.05715.75

preferences:
72.49 ms | 400 KiB | 5 Q