3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { /** @var B $b */ private $b; public function __construct() { $this->b = new B($this); } public function getB() { return $this->b; } } class B { /** @var A $a */ private $a; /** @var A $a */ public function __construct(A $a) { $this->a = $a; } } $a = new A(); $b = new B($a); var_dump($a); var_dump($a->getB());

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)
8.5.10.0100.00916.77
8.5.00.0100.01119.96
8.4.150.0020.00114.05
8.4.140.0090.01117.43
8.4.130.0090.01117.54
8.4.120.0070.01324.07
8.4.110.0040.00422.50
8.4.100.0100.01118.71
8.4.90.0070.01219.13
8.4.80.0120.00920.52
8.4.70.0150.00817.88
8.4.60.0140.00718.98
8.4.50.0090.00318.64
8.4.40.0130.00619.27
8.4.30.0140.00617.61
8.4.20.0060.01620.50
8.4.10.0170.00317.39
8.3.280.0130.00918.38
8.3.270.0090.00916.49
8.3.260.0100.00916.63
8.3.250.0110.00918.73
8.3.240.0150.00417.29
8.3.230.0130.00616.52
8.3.220.0110.00719.12
8.3.210.0130.00616.53
8.3.200.0060.00316.64
8.3.190.0110.00817.19
8.3.180.0100.00817.11
8.3.170.0150.00019.24
8.3.160.0120.00617.16
8.3.150.0120.00617.35
8.3.140.0130.00618.27
8.3.130.0090.00018.28
8.3.120.0120.00318.82
8.3.110.0000.01020.94
8.3.100.0080.00024.06
8.3.90.0000.00826.77
8.3.80.0060.00317.97
8.3.70.0120.00616.62
8.3.60.0060.00918.55
8.3.50.0050.01318.22
8.3.40.0120.00318.80
8.3.30.0140.00018.89
8.3.20.0080.00019.30
8.3.10.0040.00421.95
8.3.00.0040.00420.73
8.2.290.0130.00820.26
8.2.280.0110.00918.29
8.2.270.0140.00417.11
8.2.260.0030.00516.52
8.2.250.0080.00018.54
8.2.240.0160.00019.23
8.2.230.0040.00422.58
8.2.220.0080.00037.54
8.2.210.0060.00326.77
8.2.200.0100.00016.63
8.2.190.0040.01116.58
8.2.180.0040.01118.05
8.2.170.0050.01022.96
8.2.160.0070.00720.38
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0080.00017.97
8.2.120.0080.00026.35
8.2.110.0110.01419.16
8.2.100.0090.00317.78
8.2.90.0030.00517.91
8.2.80.0060.00317.97
8.2.70.0060.00317.38
8.2.60.0050.00317.93
8.2.50.0000.00818.07
8.2.40.0040.00418.22
8.2.30.0020.00517.91
8.2.20.0050.00317.96
8.2.10.0000.00717.89
8.2.00.0040.00417.47
8.1.330.0140.00421.98
8.1.320.0100.00916.16
8.1.310.0070.01116.66
8.1.300.0080.00020.07
8.1.290.0060.00330.84
8.1.280.0070.00725.92
8.1.270.0030.00618.63
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0030.00619.39
8.1.230.0060.00617.83
8.1.220.0050.00317.74
8.1.210.0040.00418.88
8.1.200.0030.00617.23
8.1.190.0050.00517.13
8.1.180.0000.00818.10
8.1.170.0000.00818.62
8.1.160.0000.00718.88
8.1.150.0000.00718.93
8.1.140.0000.00722.07
8.1.130.0070.00020.02
8.1.120.0000.00717.30
8.1.110.0070.00017.45
8.1.100.0070.00017.36
8.1.90.0030.00617.40
8.1.80.0000.00817.43
8.1.70.0030.00317.42
8.1.60.0040.00417.47
8.1.50.0030.00617.54
8.1.40.0070.00017.48
8.1.30.0040.00417.66
8.1.20.0040.00417.61
8.1.10.0040.00417.50
8.1.00.0080.00017.31
8.0.300.0040.00419.94
8.0.290.0040.00416.75
8.0.280.0070.00020.23
8.0.270.0000.00817.12
8.0.260.0030.00318.33
8.0.250.0070.00016.97
8.0.240.0030.00317.01
8.0.230.0040.00416.95
8.0.220.0030.00716.88
8.0.210.0030.00316.78
8.0.200.0030.00316.88
8.0.190.0000.00816.97
8.0.180.0040.00416.81
8.0.170.0050.00316.96
8.0.160.0040.00416.93
8.0.150.0080.00016.82
8.0.140.0000.00816.77
8.0.130.0000.00613.38
8.0.120.0080.00016.89
8.0.110.0000.00816.89
8.0.100.0040.00416.93
8.0.90.0000.00816.68
8.0.80.0050.01316.85
8.0.70.0030.00616.89
8.0.60.0040.00416.91
8.0.50.0040.00316.77
8.0.30.0140.00417.15
8.0.20.0130.00617.40
8.0.10.0000.00816.85
8.0.00.0070.01516.64
7.4.330.0000.00515.55
7.4.320.0000.00616.59
7.4.300.0040.00416.56
7.4.290.0080.00016.68
7.4.280.0030.00516.39
7.4.270.0040.00416.61
7.4.260.0000.00716.57
7.4.250.0080.00016.38
7.4.240.0030.00716.63
7.4.230.0030.00316.68
7.4.220.0040.00416.30
7.4.210.0130.00416.55
7.4.200.0050.00216.40
7.4.160.0090.00816.42
7.4.140.0090.01217.86
7.4.130.0080.01016.43
7.4.120.0100.00816.45
7.4.110.0030.01316.69
7.4.100.0040.01316.43
7.4.90.0160.00616.46
7.4.80.0030.01919.39
7.4.70.0120.00616.46
7.4.60.0130.01016.46
7.4.50.0070.01116.30
7.4.40.0100.00716.49
7.4.10.0030.01215.01
7.4.00.0060.00815.00
7.3.330.0050.00013.07
7.3.320.0030.00313.32
7.3.310.0030.00616.30
7.3.300.0030.00316.16
7.3.290.0070.00016.30
7.3.280.0100.00516.33
7.3.260.0110.00816.34
7.3.240.0110.00816.30
7.3.230.0140.00316.64
7.3.210.0090.00916.23
7.3.200.0070.01016.38
7.3.190.0100.01416.38
7.3.180.0070.01416.16
7.3.170.0100.00716.38
7.3.160.0040.01116.34
7.3.130.0070.01114.49
7.3.120.0100.00714.74
7.3.110.0100.01014.75
7.3.100.0030.01314.82
7.3.90.0060.00914.68
7.3.80.0170.00014.46
7.3.70.0070.00714.73
7.3.60.0060.00914.75
7.3.50.0090.00914.84
7.3.40.0100.00314.67
7.3.30.0060.00614.86
7.3.20.0030.01216.56
7.3.10.0000.01316.69
7.3.00.0100.00316.18
7.2.330.0090.00916.77
7.2.320.0110.01116.38
7.2.310.0100.01316.71
7.2.300.0130.00016.60
7.2.290.0110.00516.70
7.2.260.0060.00914.74
7.2.250.0080.00815.03
7.2.240.0000.01715.14
7.2.230.0090.00914.91
7.2.220.0030.00714.77
7.2.210.0030.01414.79
7.2.200.0060.00614.95
7.2.190.0040.01514.67
7.2.180.0070.01014.79
7.2.170.0030.01014.86
7.2.160.0040.00715.09
7.2.150.0000.01617.00
7.2.140.0040.00816.83
7.2.130.0070.00716.84
7.2.120.0090.00916.89
7.2.110.0080.00516.48
7.2.100.0050.00716.38
7.2.90.0090.00816.54
7.2.80.0050.01116.63
7.2.70.0050.01016.58
7.2.60.0060.00616.75
7.2.50.0110.00316.78
7.2.40.0100.00716.65
7.2.30.0040.01116.72
7.2.20.0090.00816.76
7.2.10.0050.01016.73
7.2.00.0080.00516.68
7.1.330.0030.01015.61
7.1.320.0120.00615.82
7.1.310.0030.01015.77
7.1.300.0070.01015.75
7.1.290.0060.00615.69
7.1.280.0040.01115.49
7.1.270.0070.00315.77
7.1.260.0060.00315.74
7.1.250.0090.00615.81
7.1.240.0100.00715.43
7.1.230.0060.00615.64
7.1.220.0100.00315.63
7.1.210.0050.01215.56
7.1.200.0070.00515.65
7.1.190.0040.00715.56
7.1.180.0090.00615.64
7.1.170.0070.00815.63
7.1.160.0100.00315.69
7.1.150.0040.00815.75
7.1.140.0040.01015.81
7.1.130.0010.00915.78
7.1.120.0070.00515.75
7.1.110.0080.00615.77
7.1.100.0040.00915.68
7.1.90.0020.01115.80
7.1.80.0030.00815.63
7.1.70.0030.01315.70
7.1.60.0170.00724.73
7.1.50.0160.00724.59
7.1.40.0210.00524.64
7.1.30.0170.00924.73
7.1.20.0190.00424.67
7.1.10.0080.00615.76
7.1.00.0070.00615.72
7.0.330.0070.00715.18
7.0.320.0070.00715.50
7.0.310.0000.01014.98
7.0.300.0060.01115.45
7.0.290.0000.00815.36
7.0.280.0070.00715.16
7.0.270.0030.00715.09
7.0.260.0090.00615.24
7.0.250.0040.00815.57
7.0.240.0030.01415.23
7.0.230.0000.00815.49
7.0.220.0070.00715.45
7.0.210.0030.00615.36
7.0.200.0060.00315.36
7.0.190.0000.01015.32
7.0.180.0090.00615.34
7.0.170.0000.01515.34
7.0.160.0060.00615.49
7.0.150.0100.00615.23
7.0.140.0140.00015.45
7.0.130.0070.00415.23
7.0.120.0000.01415.11
7.0.110.0040.00815.22
7.0.100.0070.00315.33
7.0.90.0000.01415.35
7.0.80.0000.01115.48
7.0.70.0050.00615.34
7.0.60.0090.00615.38
7.0.50.0100.00015.44
7.0.40.0060.00313.45
7.0.30.0040.00713.47
7.0.20.0060.01113.52
7.0.10.0030.01213.40
7.0.00.0120.00313.41
5.6.400.0070.00314.50
5.6.390.0110.00414.13
5.6.380.0090.00514.29
5.6.370.0000.01414.16
5.6.360.0100.00714.25
5.6.350.0110.00014.34
5.6.340.0030.01314.02
5.6.330.0000.01414.27
5.6.320.0100.00314.34
5.6.310.0060.01014.45
5.6.300.0080.00814.64
5.6.290.0090.00614.21
5.6.280.0060.00614.66
5.6.270.0090.00314.32
5.6.260.0030.00913.98
5.6.250.0030.00614.21
5.6.240.0060.00614.20
5.6.230.0070.00714.46
5.6.220.0000.01314.48
5.6.210.0060.00914.43
5.6.200.0070.00414.15
5.6.190.0030.00714.11
5.6.180.0030.00914.29
5.6.170.0090.00614.59
5.6.160.0070.01114.17
5.6.150.0120.00614.02
5.6.140.0040.01414.38
5.6.130.0140.00414.30
5.6.120.0040.01114.30
5.6.110.0060.00614.32
5.6.100.0070.00714.43
5.6.90.0040.00814.37
5.6.80.0100.00314.54
5.6.70.0060.00914.06
5.6.60.0060.00614.43
5.6.50.0030.01314.11
5.6.40.0030.01314.24
5.6.30.0030.00714.00
5.6.20.0080.00414.55
5.6.10.0030.01014.04
5.6.00.0130.00014.18

preferences:
36.25 ms | 403 KiB | 5 Q