3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public $x; public function __construct() { $this->x = 1; } public function __sleep() { return [ 'x', 'a' ]; } } $a = new A; var_dump( unserialize( 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)
8.3.60.0060.01218.20
8.3.50.0070.01018.36
8.3.40.0140.00418.75
8.3.30.0140.00018.85
8.3.20.0030.00618.73
8.3.10.0080.00023.53
8.3.00.0040.00421.75
8.2.180.0120.00316.75
8.2.170.0070.00722.96
8.2.160.0070.01019.08
8.2.150.0040.00424.18
8.2.140.0030.00524.66
8.2.130.0040.00419.41
8.2.120.0000.00826.35
8.2.110.0070.00322.20
8.2.100.0060.00617.84
8.2.90.0080.00017.78
8.2.80.0050.00319.03
8.2.70.0060.00317.80
8.2.60.0030.00518.03
8.2.50.0090.00018.10
8.2.40.0070.00019.40
8.2.30.0000.00720.67
8.2.20.0050.00217.99
8.2.10.0080.00018.00
8.2.00.0000.00921.10
8.1.280.0000.01425.92
8.1.270.0040.00423.99
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0100.00722.63
8.1.230.0030.00721.05
8.1.220.0000.00917.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0030.00517.10
8.1.180.0030.00618.10
8.1.170.0060.00318.56
8.1.160.0000.00818.86
8.1.150.0040.00418.80
8.1.140.0030.00520.80
8.1.130.0090.00020.16
8.1.120.0030.00717.44
8.1.110.0050.00217.41
8.1.100.0080.00017.34
8.1.90.0000.00717.36
8.1.80.0050.00217.27
8.1.70.0030.00617.34
8.1.60.0120.00017.45
8.1.50.0040.00417.40
8.1.40.0150.00017.51
8.1.30.0040.00417.56
8.1.20.0000.00717.54
8.1.10.0040.00417.49
8.1.00.0000.00817.45
8.0.300.0000.00820.09
8.0.290.0040.00416.75
8.0.280.0000.00718.42
8.0.270.0070.00017.25
8.0.260.0040.00420.13
8.0.250.0080.00016.99
8.0.240.0040.00416.94
8.0.230.0000.00816.85
8.0.220.0040.00416.77
8.0.210.0040.00416.82
8.0.200.0030.00316.95
8.0.190.0070.00016.89
8.0.180.0040.00416.93
8.0.170.0030.00616.92
8.0.160.0040.00416.76
8.0.150.0070.00416.86
8.0.140.0070.00316.82
8.0.130.0000.00713.36
8.0.120.0030.00516.96
8.0.110.0080.00016.75
8.0.100.0050.00316.77
8.0.90.0040.00416.76
8.0.80.0090.00616.88
8.0.70.0080.00016.88
8.0.60.0050.00216.77
8.0.50.0040.00416.75
8.0.30.0090.01017.05
8.0.20.0130.01217.40
8.0.10.0040.00416.83
8.0.00.0080.00916.57
7.4.330.0050.00015.55
7.4.320.0030.00316.47
7.4.300.0000.00616.41
7.4.290.0040.00416.57
7.4.280.0040.00416.48
7.4.270.0040.00416.55
7.4.260.0000.00716.52
7.4.250.0040.00416.42
7.4.240.0070.00016.60
7.4.230.0030.00316.51
7.4.220.0040.00416.53
7.4.210.0090.00816.57
7.4.200.0070.00016.62
7.4.160.0100.00716.46
7.4.140.0120.00917.86
7.4.130.0100.00716.63
7.4.120.0110.00916.52
7.4.110.0090.01216.65
7.4.100.0090.00916.46
7.4.90.0120.00616.54
7.4.80.0090.00819.39
7.4.70.0030.01316.60
7.4.60.0130.00716.57
7.4.50.0080.00516.41
7.4.40.0100.01116.55
7.4.00.0030.01014.80
7.3.330.0020.00213.39
7.3.320.0050.00013.22
7.3.310.0000.00716.45
7.3.300.0030.00316.42
7.3.290.0000.00716.26
7.3.280.0000.01416.36
7.3.260.0100.00916.47
7.3.240.0130.00716.37
7.3.230.0100.00716.38
7.3.210.0150.00316.38
7.3.200.0090.00616.73
7.3.190.0150.00016.50
7.3.180.0090.00616.23
7.3.170.0100.00616.32
7.3.160.0180.00616.39
7.3.120.0040.01016.09
7.3.110.0100.00716.02
7.3.100.0100.00516.03
7.3.90.0050.00516.02
7.3.80.0050.00616.00
7.3.70.0030.01016.03
7.3.60.0070.00915.96
7.3.50.0060.00715.95
7.3.40.0070.00515.84
7.3.30.0090.00315.86
7.3.20.0030.01216.99
7.3.10.0080.00716.97
7.3.00.0100.00716.97
7.2.330.0120.01216.39
7.2.320.0090.00616.61
7.2.310.0110.00816.40
7.2.300.0120.00316.60
7.2.290.0100.00616.40
7.2.250.0070.01315.07
7.2.240.0120.00516.03
7.2.230.0050.00916.03
7.2.220.0110.00716.09
7.2.210.0080.00916.10
7.2.200.0040.00716.03
7.2.190.0090.00716.10
7.2.180.0070.00815.91
7.2.170.0030.01215.90
7.2.160.0060.01017.15
7.2.150.0070.01117.15
7.2.140.0100.00017.15
7.2.130.0060.00317.15
7.2.120.0030.01217.15
7.2.110.0060.00917.15
7.2.100.0040.01117.15
7.2.90.0600.00816.04
7.2.80.0520.01215.90
7.2.70.0500.00915.95
7.2.60.0520.00816.11
7.2.50.0580.00916.11
7.2.40.0560.01116.02
7.2.30.0690.00816.11
7.2.20.0600.00815.85
7.2.10.0720.00815.97
7.2.00.0740.00716.12
7.1.330.0070.00516.46
7.1.320.0080.00716.45
7.1.310.0030.01216.52
7.1.300.0070.00516.46
7.1.290.0090.00516.29
7.1.280.0060.00516.49
7.1.270.0040.00816.48
7.1.260.0060.01016.46
7.1.250.0030.01317.15
7.1.210.1050.00313.79
7.1.200.0980.00613.84
7.1.190.1220.01013.80
7.1.180.1170.00014.00
7.1.170.1900.01013.66
7.1.160.1160.00713.66
7.1.150.1280.01013.34
7.1.140.1000.01013.93
7.1.130.1390.00613.69
7.1.120.1360.00613.60
7.1.110.1290.01013.46
7.1.100.1200.00313.61
7.1.90.1270.00313.52
7.1.80.1160.00313.93
7.1.70.1460.00713.65
7.1.60.1560.01631.82
7.1.50.1410.01631.68
7.1.40.1420.01031.57
7.1.30.1470.01031.52
7.1.20.1420.01031.29
7.1.10.1120.00713.70
7.1.00.1130.01013.97

preferences:
51.75 ms | 400 KiB | 5 Q