3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { function __construct() { $this->foo =& new B; } } class B { static $c = 0; function construct() { $this->i = ++self::$c; } } $a = new A; $b = clone $a; var_dump($a, $b);

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)
5.6.280.0030.07320.87
5.6.250.0070.08020.71
5.6.240.0100.08020.64
5.6.230.0030.09020.68
5.6.220.0070.07720.67
5.6.210.0070.07320.46
5.6.200.0130.07721.14
5.6.190.0030.09021.03
5.6.180.0170.05321.01
5.6.170.0030.08321.04
5.6.160.0130.07321.12
5.6.150.0100.07321.06
5.6.140.0070.07021.18
5.6.130.0070.08021.06
5.6.120.0370.02721.04
5.6.110.0130.07320.93
5.6.100.0070.08021.04
5.6.90.0100.08021.00
5.6.80.0030.07720.41
5.6.70.0030.08020.55
5.6.60.0200.06020.38
5.6.50.0130.07720.56
5.6.40.0130.07020.47
5.6.30.0000.07020.45
5.6.20.0000.08720.40
5.6.10.0130.06720.41
5.6.00.0070.08320.45
5.5.380.0130.07720.50
5.5.370.0130.08020.45
5.5.360.0070.06020.40
5.5.350.0130.08020.38
5.5.340.0100.04720.91
5.5.330.0070.06020.77
5.5.320.0130.07320.78
5.5.310.0100.05020.92
5.5.300.0030.04320.91
5.5.290.0100.04020.92
5.5.280.0030.04720.93
5.5.270.0030.09020.79
5.5.260.0070.05320.64
5.5.250.0170.04320.72
5.5.240.0130.07320.02
5.5.230.0100.06720.11
5.5.220.0070.08320.18
5.5.210.0070.07320.28
5.5.200.0130.06720.20
5.5.190.0030.08720.22
5.5.180.0030.08020.13
5.5.160.0030.07720.27
5.5.150.0000.08320.13
5.5.140.0070.04720.22
5.5.130.0100.07320.23
5.5.120.0100.05320.23
5.5.110.0130.04020.12
5.5.100.0030.08020.09
5.5.90.0170.06020.10
5.5.80.0070.08319.95
5.5.70.0070.08020.11
5.5.60.0070.07320.12
5.5.50.0030.07320.16
5.5.40.0030.07320.11
5.5.30.0100.08020.06
5.5.20.0100.07720.09
5.5.10.0230.07020.13
5.5.00.0070.07720.05
5.4.450.0130.04319.56
5.4.440.0070.08719.38
5.4.430.0030.08319.45
5.4.420.0170.07319.27
5.4.410.0100.06719.32
5.4.400.0200.06718.90
5.4.390.0070.08019.14
5.4.380.0130.07019.11
5.4.370.0070.06319.07
5.4.360.0000.07718.95
5.4.350.0130.07319.21
5.4.340.0070.08019.13
5.4.320.0100.05318.88
5.4.310.0070.04719.09
5.4.300.0070.07019.23
5.4.290.0130.06718.84
5.4.280.0070.05019.09
5.4.270.0070.07319.12
5.4.260.0100.06719.18
5.4.250.0100.07319.15
5.4.240.0070.07719.12
5.4.230.0030.08018.94
5.4.220.0100.06018.90
5.4.210.0170.06719.23
5.4.200.0070.07718.89
5.4.190.0000.08718.86
5.4.180.0130.07019.04
5.4.170.0130.07019.02
5.4.160.0030.05719.11
5.4.150.0030.07319.01
5.4.140.0070.07716.46
5.4.130.0070.07316.46
5.4.120.0170.05716.41
5.4.110.0070.07316.56
5.4.100.0130.06716.56
5.4.90.0070.07716.55
5.4.80.0130.06716.51
5.4.70.0030.08016.57
5.4.60.0130.07316.45
5.4.50.0100.05316.45
5.4.40.0130.06316.44
5.4.30.0100.06716.28
5.4.20.0070.07316.36
5.4.10.0100.04016.35
5.4.00.0070.07315.81
5.3.290.0100.07314.59
5.3.280.0170.06314.58
5.3.270.0130.07014.75
5.3.260.0100.07014.59
5.3.250.0100.07314.57
5.3.240.0070.07314.68
5.3.230.0070.06314.53
5.3.220.0130.07014.69
5.3.210.0030.08014.59
5.3.200.0030.06714.63
5.3.190.0100.04014.56
5.3.180.0130.07014.63
5.3.170.0070.05014.70
5.3.160.0030.07314.62
5.3.150.0070.06314.58
5.3.140.0100.06714.56
5.3.130.0100.06714.48
5.3.120.0100.07714.58
5.3.110.0100.06314.56
5.3.100.0100.07314.14
5.3.90.0030.07314.01
5.3.80.0070.06713.93
5.3.70.0030.07714.08
5.3.60.0000.07713.91
5.3.50.0070.06714.01
5.3.40.0130.07313.93
5.3.30.0030.07713.91
5.3.20.0130.06713.70
5.3.10.0070.04313.58
5.3.00.0070.07013.62
5.2.170.0100.04712.32
5.2.160.0100.05712.32
5.2.150.0130.05012.32
5.2.140.0100.05312.32
5.2.130.0030.06312.32
5.2.120.0030.03312.32
5.2.110.0070.06012.32
5.2.100.0100.05712.32
5.2.90.0100.05312.32
5.2.80.0130.05712.32
5.2.70.0070.06012.32
5.2.60.0100.04312.32
5.2.50.0030.06312.32
5.2.40.0130.05712.32
5.2.30.0070.06312.32
5.2.20.0130.04312.32
5.2.10.0030.06012.32
5.2.00.0070.06312.32
5.1.60.0000.04012.32
5.1.50.0070.05012.32
5.1.40.0070.05012.32
5.1.30.0070.04712.32
5.1.20.0130.05012.32
5.1.10.0030.05312.32
5.1.00.0070.04312.32
5.0.50.0030.04012.32
5.0.40.0030.04712.32
5.0.30.0100.06012.32
5.0.20.0070.03712.32
5.0.10.0030.04312.32
5.0.00.0000.06312.32
4.4.90.0000.04012.32
4.4.80.0070.02712.32
4.4.70.0030.02012.32
4.4.60.0000.03712.32
4.4.50.0070.03012.32
4.4.40.0030.03012.32
4.4.30.0030.03712.32
4.4.20.0100.02712.32
4.4.10.0000.03712.32
4.4.00.0070.04312.32
4.3.110.0070.01712.32
4.3.100.0000.03712.32
4.3.90.0000.02712.32
4.3.80.0030.03312.32
4.3.70.0030.03312.32
4.3.60.0030.03312.32
4.3.50.0030.03312.32
4.3.40.0030.04712.32
4.3.30.0000.02312.32
4.3.20.0070.02012.32
4.3.10.0000.04012.32
4.3.00.0000.03312.32

preferences:
142.09 ms | 1394 KiB | 7 Q