3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo implements Serializable { public $obj; public function __construct( $obj ) { $this->obj = $obj; } public function serialize() { return serialize( array( 'obj' => $this->obj ) ); } public function unserialize( $s ) { $data = unserialize( $s ); $this->obj = $data['obj']; } } $obj = new stdclass; $foo1 = new Foo( $obj ); $foo2 = new Foo( $obj ); $s = serialize( array( $foo1, $foo2 ) ); var_dump( $s ); var_dump( unserialize( $s ) );

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)
8.3.70.0000.01516.61
8.3.60.0030.01518.64
8.3.50.0100.00716.30
8.3.40.0090.00618.84
8.3.30.0090.00918.85
8.3.20.0040.00421.04
8.3.10.0000.00721.76
8.3.00.0040.00421.95
8.2.190.0130.00318.62
8.2.180.0170.00016.63
8.2.170.0140.00722.96
8.2.160.0040.01120.50
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0090.00019.66
8.2.110.0000.00920.26
8.2.100.0080.00418.03
8.2.90.0030.00617.88
8.2.80.0000.00817.97
8.2.70.0080.00018.16
8.2.60.0030.00518.22
8.2.50.0000.00818.10
8.2.40.0040.00421.19
8.2.30.0040.00419.31
8.2.20.0040.00418.04
8.2.10.0050.00218.13
8.2.00.0030.00619.47
8.1.280.0070.01125.92
8.1.270.0040.00422.06
8.1.260.0110.00426.35
8.1.250.0040.00428.09
8.1.240.0090.00023.83
8.1.230.0040.00820.75
8.1.220.0030.00617.88
8.1.210.0080.00020.89
8.1.200.0040.00717.35
8.1.190.0030.00617.47
8.1.180.0050.00318.10
8.1.170.0080.00018.43
8.1.160.0000.00718.84
8.1.150.0040.00418.82
8.1.140.0000.00822.05
8.1.130.0070.00020.06
8.1.120.0040.00417.52
8.1.110.0040.00417.45
8.1.100.0000.00717.42
8.1.90.0040.00417.50
8.1.80.0040.00417.52
8.1.70.0070.00017.37
8.1.60.0000.00917.57
8.1.50.0000.00817.61
8.1.40.0050.00317.41
8.1.30.0000.00817.56
8.1.20.0040.00417.55
8.1.10.0000.00817.50
8.1.00.0030.00617.49
8.0.300.0000.00921.70
8.0.290.0080.00016.88
8.0.280.0030.00318.45
8.0.270.0030.00316.83
8.0.260.0060.00018.37
8.0.250.0000.00717.02
8.0.240.0000.00717.03
8.0.230.0030.00317.02
8.0.220.0080.00016.94
8.0.210.0070.00016.83
8.0.200.0070.00017.02
8.0.190.0030.00616.92
8.0.180.0080.00016.95
8.0.170.0030.00617.00
8.0.160.0000.00716.97
8.0.150.0050.00516.79
8.0.140.0000.00816.94
8.0.130.0000.00513.40
8.0.120.0050.00316.84
8.0.110.0000.00716.84
8.0.100.0000.00716.96
8.0.90.0040.00416.91
8.0.80.0030.01316.90
8.0.70.0000.00716.96
8.0.60.0000.00816.91
8.0.50.0040.00416.92
8.0.30.0120.00617.16
8.0.20.0170.00717.40
8.0.10.0040.00417.13
8.0.00.0120.00816.78
7.4.330.0000.00515.55
7.4.320.0030.00316.57
7.4.300.0030.00316.57
7.4.290.0040.00416.56
7.4.280.0060.00316.52
7.4.270.0000.00616.44
7.4.260.0030.00316.64
7.4.250.0000.00716.47
7.4.240.0050.00216.51
7.4.230.0030.00316.35
7.4.220.0040.00416.54
7.4.210.0070.01016.53
7.4.200.0080.00016.49
7.4.160.0090.01116.55
7.4.140.0100.00917.86
7.4.130.0090.00916.52
7.4.120.0070.01216.52
7.4.110.0110.01116.49
7.4.100.0140.00916.45
7.4.90.0190.00316.47
7.4.80.0100.01319.39
7.4.70.0120.01216.53
7.4.60.0100.01016.52
7.4.50.0090.00616.68
7.4.40.0080.00816.61
7.4.00.0060.00614.95
7.3.330.0000.00513.38
7.3.320.0060.00013.45
7.3.310.0000.00816.27
7.3.300.0000.00716.29
7.3.290.0070.00016.36
7.3.280.0080.00816.26
7.3.260.0100.01016.49
7.3.240.0090.00916.45
7.3.230.0110.01116.51
7.3.210.0040.01216.52
7.3.200.0160.00616.54
7.3.190.0110.00616.31
7.3.180.0080.00816.39
7.3.170.0130.00616.43
7.3.160.0070.01016.50
7.3.120.0070.01015.05
7.3.110.0000.01314.80
7.3.100.0030.00614.73
7.3.90.0000.01114.86
7.3.80.0040.01114.90
7.3.70.0120.00614.65
7.3.60.0090.00014.89
7.3.50.0030.01414.78
7.3.40.0030.01314.94
7.3.30.0040.01114.86
7.3.20.0080.00416.89
7.3.10.0120.00316.59
7.3.00.0080.00816.79
7.2.330.0130.00516.86
7.2.320.0140.01016.68
7.2.310.0100.00616.45
7.2.300.0060.01216.77
7.2.290.0070.01016.52
7.2.250.0150.00414.95
7.2.240.0030.01315.16
7.2.230.0070.01015.05
7.2.220.0120.00315.17
7.2.210.0000.01315.09
7.2.200.0070.01115.01
7.2.190.0030.01014.90
7.2.180.0080.00414.65
7.2.170.0090.00015.06
7.2.120.0410.00414.51
7.2.110.0320.00414.25
7.2.100.0500.00614.31
7.2.90.0260.01114.68
7.2.80.0420.00614.55
7.2.70.0310.00614.68
7.2.60.0540.00414.60
7.2.50.0290.01115.00
7.2.40.0360.01014.68
7.2.30.0270.00314.84
7.2.20.0190.01114.65
7.2.10.0280.00814.74
7.2.00.0280.00814.69
7.1.330.0090.00615.67
7.1.320.0110.00715.82
7.1.310.0000.01615.92
7.1.300.0040.00815.86
7.1.290.0110.00415.72
7.1.280.0030.01015.98
7.1.270.0030.01015.85
7.1.260.0050.00515.69
7.1.240.1100.00313.80
7.1.230.0480.00914.05
7.1.220.0290.01813.54
7.1.210.0290.01013.76
7.1.200.0280.00913.50
7.1.190.0260.00613.65
7.1.180.0210.00613.82
7.1.170.0380.00613.58
7.1.160.0300.00313.44
7.1.150.0240.00413.84
7.1.140.0370.00613.82
7.1.130.0330.00413.37
7.1.120.0570.00013.81
7.1.110.0220.00713.53
7.1.100.0410.00313.48
7.1.90.0620.00413.72
7.1.80.0340.00413.69
7.1.70.0340.00713.52
7.1.60.0300.00713.74
7.1.50.0220.01213.78
7.1.40.0500.00613.83
7.1.30.0270.00713.84
7.1.20.0260.00713.69
7.1.10.0480.01013.80
7.1.00.0430.01313.84
7.0.320.0260.01013.14
7.0.310.0450.00313.63
7.0.300.0500.00913.49
7.0.290.0770.00713.58
7.0.280.0330.00713.32
7.0.270.0290.01013.41
7.0.260.0390.00613.60
7.0.250.0420.00313.66
7.0.240.0250.00813.57
7.0.230.0480.00013.39
7.0.220.0390.00413.51
7.0.210.0310.00813.59
7.0.200.0370.00913.55
7.0.190.0490.01013.45
7.0.180.0510.00713.63
7.0.170.0350.00613.57
7.0.160.0750.01813.64
7.0.150.0470.01113.27
7.0.140.0410.01513.76
7.0.130.0330.01013.80
7.0.120.0460.01013.43
7.0.110.0320.00613.43
7.0.100.0390.00913.70
7.0.90.0480.00713.39
7.0.80.0340.01013.49
7.0.70.0310.01213.50
7.0.60.0270.01013.60
7.0.50.0410.00013.63
7.0.40.0350.00413.86
7.0.30.0420.00713.42
7.0.20.0390.01213.53
7.0.10.0310.01213.44
7.0.00.0360.00413.43
5.6.380.0150.00614.11
5.6.370.0110.00714.50
5.6.360.0120.01014.50
5.6.350.0150.00514.61
5.6.340.0040.01514.29
5.6.330.0170.00314.52
5.6.320.0080.01114.58
5.6.310.0090.01414.55
5.6.300.0140.01014.29
5.6.290.0150.00914.38
5.6.280.0170.00714.38
5.6.270.0150.00414.40
5.6.260.0160.00514.36
5.6.250.0120.01214.30
5.6.240.0130.00714.33
5.6.230.0150.00614.19
5.6.220.0100.01014.20
5.6.210.0100.00714.30
5.6.200.0060.01114.59
5.6.190.0030.01514.46
5.6.180.0100.01014.21
5.6.170.0100.00714.45
5.6.160.0040.01314.13
5.6.150.0100.01014.69
5.6.140.0090.00914.63
5.6.130.0060.00914.36
5.6.120.0100.01014.04
5.6.110.0060.01114.22
5.6.100.0130.00514.48
5.6.90.0070.01314.51
5.6.80.0090.01114.22
5.6.70.0110.01114.00
5.6.60.0090.01214.11
5.6.50.0120.00514.11
5.6.40.0170.00714.29
5.6.30.0070.01414.28
5.6.20.0150.00314.39
5.6.10.0110.01114.16
5.6.00.0110.00714.24
5.5.380.0040.01412.00
5.5.370.0040.00812.00
5.5.360.0070.01012.00
5.5.350.0130.00212.00
5.5.340.0140.00012.00
5.5.330.0080.00812.00
5.5.320.0070.01112.00
5.5.310.0080.00512.00
5.5.300.0030.00612.00
5.5.290.0000.01212.00
5.5.280.0040.00812.00
5.5.270.0120.00312.00
5.5.260.0110.00012.00
5.5.250.0070.00712.00
5.5.240.0110.00412.00
5.5.230.0110.00412.00
5.5.220.0070.00712.00
5.5.210.0040.01112.00
5.5.200.0110.00512.00
5.5.190.0070.00412.00
5.5.180.0100.00312.00
5.5.170.0150.00313.93
5.5.160.0090.00512.00
5.5.150.0100.00512.00
5.5.140.0130.00312.00
5.5.130.0130.00412.00
5.5.120.0070.00612.00
5.5.110.0050.01012.00
5.5.100.0090.00912.00
5.5.90.0100.00712.00
5.5.80.0150.00312.00
5.5.70.0100.00712.00
5.5.60.0120.00612.00
5.5.50.0080.00412.00
5.5.40.0070.01012.00
5.5.30.0150.00012.00
5.5.20.0100.00312.00
5.5.10.0150.00012.00
5.5.00.0050.01112.00
5.4.450.0130.00012.00
5.4.440.0050.00512.00
5.4.430.0120.00012.00
5.4.420.0070.00412.00
5.4.410.0090.00412.00
5.4.400.0090.00312.00
5.4.390.0070.00312.00
5.4.380.0090.00912.00
5.4.370.0070.01112.00
5.4.360.0110.00212.00
5.4.350.0040.00812.00
5.4.340.0110.00312.00
5.4.330.0090.00912.00
5.4.320.0100.00512.00
5.4.310.0060.00812.00
5.4.300.0100.00612.00
5.4.290.0000.01312.00
5.4.280.0100.00312.00
5.4.270.0090.00312.00
5.4.260.0100.00612.00
5.4.250.0080.00812.00
5.4.240.0120.00412.00
5.4.230.0050.00712.00
5.4.220.0070.00712.00
5.4.210.0000.01112.00
5.4.200.0110.00412.00
5.4.190.0050.00812.00
5.4.180.0070.00712.00
5.4.170.0110.00512.00
5.4.160.0110.00412.00
5.4.150.0070.00712.00
5.4.140.0150.00012.00
5.4.130.0090.00612.00
5.4.120.0110.00312.00
5.4.110.0100.00712.00
5.4.100.0060.00612.00
5.4.90.0110.00412.00
5.4.80.0080.00512.00
5.4.70.0100.00612.00
5.4.60.0110.00512.00
5.4.50.0160.00012.00
5.4.40.0160.00012.00
5.4.30.0120.00612.00
5.4.20.0110.00712.00
5.4.10.0080.00412.00
5.4.00.0100.00512.00
5.3.290.0100.00312.00
5.3.280.0080.00512.00
5.3.270.0060.00912.00
5.3.260.0110.00412.00
5.3.250.0000.01212.00
5.3.240.0100.00612.00
5.3.230.0080.00412.00
5.3.220.0070.00712.00
5.3.210.0140.00012.00
5.3.200.0150.00012.00
5.3.190.0110.00212.00
5.3.180.0130.00212.00
5.3.170.0050.01012.00
5.3.160.0100.00512.00
5.3.150.0140.00212.00
5.3.140.0100.00312.00
5.3.130.0170.00012.00
5.3.120.0070.00712.00
5.3.110.0120.00012.00
5.3.100.0020.01012.00
5.3.90.0110.00212.00
5.3.80.0040.00912.00
5.3.70.0030.00712.00
5.3.60.0060.00312.00
5.3.50.0070.00312.00
5.3.40.0120.00212.00
5.3.30.0060.01112.00
5.3.20.0070.00712.00
5.3.10.0110.00312.00
5.3.00.0060.00612.00
5.2.170.0090.00012.00
5.2.160.0030.01012.00
5.2.150.0040.00812.00
5.2.140.0080.00512.00
5.2.130.0040.00712.00
5.2.120.0060.00612.00
5.2.110.0100.00512.00
5.2.100.0110.00012.00
5.2.90.0060.00312.00
5.2.80.0080.00312.00
5.2.70.0100.00212.00
5.2.60.0060.00312.00
5.2.50.0100.00012.00
5.2.40.0120.00012.00
5.2.30.0060.00412.00
5.2.20.0090.00012.00
5.2.10.0060.00312.00
5.2.00.0060.00312.00
5.1.60.0040.00812.00
5.1.50.0080.00012.00
5.1.40.0000.00812.00
5.1.30.0110.00012.00
5.1.20.0090.00012.00
5.1.10.0060.00512.00
5.1.00.0110.00012.00
5.0.50.0070.00212.00
5.0.40.0090.00012.00
5.0.30.0000.00912.00
5.0.20.0040.00412.00
5.0.10.0060.00212.00
5.0.00.0030.00312.00
4.4.90.0030.00312.00
4.4.80.0000.00712.00
4.4.70.0030.00312.00
4.4.60.0070.00012.00
4.4.50.0060.00012.00
4.4.40.0000.00712.00
4.4.30.0050.00212.00
4.4.20.0060.00012.00
4.4.10.0060.00012.00
4.4.00.0070.00012.00
4.3.110.0050.00212.00
4.3.100.0000.00612.00
4.3.90.0060.00012.00
4.3.80.0020.00412.00
4.3.70.0000.00712.00
4.3.60.0070.00012.00
4.3.50.0000.00612.00
4.3.40.0000.00612.00
4.3.30.0000.00512.00
4.3.20.0060.00012.00
4.3.10.0000.00412.00
4.3.00.0040.00012.00

preferences:
31.89 ms | 401 KiB | 5 Q