3v4l.org

run code in 300+ PHP versions simultaneously
<?php class myClass { private $a; public function __construct() { $this->a = 10; } public function printValue() { print "The Value is: {$this->a}\n"; } public function changeValue($val, $obj = null) { if(is_null($obj)) { $this->a = $val; } else { $obj->a = $val; } } public function getValue() { return $this->a; } } $obj_one = new myClass(); $obj_two = new myClass(); $obj_two->a = 20; $obj_one->changeValue(20, $obj_two); $obj_two->changeValue($obj_two->getValue(), $obj_one); $obj_two->printValue(); $obj_one->printValue(); var_dump($obj_two);

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)
8.3.60.0040.01116.86
8.3.50.0160.00622.05
8.3.40.0110.00419.00
8.3.30.0040.01119.17
8.3.20.0000.00720.20
8.3.10.0080.00023.39
8.3.00.0040.00422.45
8.2.180.0070.00718.54
8.2.170.0180.00322.96
8.2.160.0100.00320.46
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0140.00426.16
8.2.120.0070.00022.13
8.2.110.0090.00022.08
8.2.100.0060.00617.84
8.2.90.0080.00019.13
8.2.80.0040.00417.97
8.2.70.0000.01217.63
8.2.60.0050.00317.93
8.2.50.0030.00518.07
8.2.40.0000.00818.03
8.2.30.0000.00818.01
8.2.20.0070.00017.55
8.2.10.0000.00819.36
8.2.00.0040.00417.61
8.1.280.0100.01025.92
8.1.270.0060.00323.84
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0050.00523.89
8.1.230.0070.00319.18
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0030.00717.36
8.1.190.0040.00417.53
8.1.180.0040.00418.10
8.1.170.0000.00918.54
8.1.160.0040.00422.05
8.1.150.0040.00418.60
8.1.140.0040.00417.41
8.1.130.0030.00317.84
8.1.120.0070.00017.43
8.1.110.0070.00417.38
8.1.100.0040.00417.32
8.1.90.0000.00717.41
8.1.80.0000.00717.32
8.1.70.0030.00317.26
8.1.60.0030.00517.50
8.1.50.0000.00917.43
8.1.40.0030.00517.43
8.1.30.0040.00417.47
8.1.20.0060.00317.66
8.1.10.0040.00417.43
8.1.00.0040.00417.55
8.0.300.0040.00418.77
8.0.290.0000.00717.16
8.0.280.0000.00718.40
8.0.270.0040.00417.14
8.0.260.0040.00416.80
8.0.250.0080.00016.95
8.0.240.0030.00316.94
8.0.230.0070.00016.89
8.0.220.0030.00316.89
8.0.210.0000.00716.87
8.0.200.0000.00716.86
8.0.190.0000.00716.95
8.0.180.0040.00416.82
8.0.170.0060.00316.96
8.0.160.0040.00416.91
8.0.150.0020.00516.89
8.0.140.0040.00416.87
8.0.130.0050.00013.34
8.0.120.0040.00416.78
8.0.110.0000.00716.75
8.0.100.0040.00416.76
8.0.90.0040.00416.84
8.0.80.0080.00816.86
8.0.70.0000.00816.98
8.0.60.0000.00716.78
8.0.50.0000.00716.91
8.0.30.0150.00717.26
8.0.20.0110.00717.40
8.0.10.0040.00417.03
8.0.00.0140.00616.87
7.4.330.0030.00215.02
7.4.320.0030.00316.60
7.4.300.0080.00016.56
7.4.290.0030.00316.51
7.4.280.0030.00316.52
7.4.270.0060.00016.45
7.4.260.0000.00716.57
7.4.250.0050.00516.52
7.4.240.0050.00216.52
7.4.230.0000.00716.61
7.4.220.0110.00816.38
7.4.210.0080.00816.50
7.4.200.0000.00716.27
7.4.190.0030.00516.77
7.4.160.0110.00616.50
7.4.150.0170.00017.40
7.4.140.0130.00817.86
7.4.130.0090.00816.63
7.4.120.0080.00816.47
7.4.110.0100.01416.58
7.4.100.0100.01016.53
7.4.90.0100.01016.35
7.4.80.0130.00319.39
7.4.70.0160.00016.53
7.4.60.0070.01016.60
7.4.50.0000.00716.53
7.4.40.0040.01222.77
7.4.30.0080.00816.55
7.4.00.0070.00914.87
7.3.330.0000.00513.37
7.3.320.0050.00013.30
7.3.310.0000.00716.26
7.3.300.0000.00716.23
7.3.290.0070.01316.42
7.3.280.0110.00816.36
7.3.270.0050.01117.40
7.3.260.0080.00816.26
7.3.250.0120.00816.37
7.3.240.0090.01216.61
7.3.230.0090.00616.55
7.3.210.0080.00916.48
7.3.200.0100.00719.39
7.3.190.0160.00616.60
7.3.180.0090.00616.59
7.3.170.0100.00616.51
7.3.160.0080.00816.57
7.3.120.0070.00714.74
7.3.110.0030.01314.66
7.3.100.0070.01014.78
7.3.90.0000.01214.74
7.3.80.0030.01014.79
7.3.70.0030.01014.48
7.3.60.0060.00614.51
7.3.50.0070.00714.91
7.3.40.0000.01614.88
7.3.30.0070.01414.98
7.3.20.0000.01116.52
7.3.10.0000.01116.68
7.3.00.0110.00416.47
7.2.330.0080.01016.75
7.2.320.0110.00516.45
7.2.310.0110.00616.74
7.2.300.0080.00816.52
7.2.290.0090.00616.68
7.2.250.0110.01114.89
7.2.240.0150.00315.18
7.2.230.0030.01214.74
7.2.220.0100.00714.91
7.2.210.0090.00315.22
7.2.200.0120.00015.05
7.2.190.0090.00314.98
7.2.180.0030.01015.05
7.2.170.0030.01514.86
7.2.60.0000.01217.00
7.2.50.0070.00716.61
7.1.330.0100.00315.82
7.1.320.0030.00715.69
7.1.310.0040.00815.74
7.1.300.0000.01215.61
7.1.290.0070.00715.39
7.1.280.0100.01015.70
7.1.270.0060.00715.67
7.1.260.0130.00015.73
7.1.200.0000.01415.68
7.1.70.0000.00716.70
7.1.60.0070.01719.29
7.1.50.0250.01234.44
7.1.00.0000.08022.57
7.0.200.0070.00014.93
7.0.140.0030.07322.10
7.0.60.0130.07719.97
7.0.50.0030.08717.98
7.0.40.0130.05020.02
7.0.30.0330.05320.30
7.0.20.0330.05320.28
7.0.10.0100.03720.10
7.0.00.0100.07720.19
5.6.280.0070.07021.10
5.6.210.0070.03720.71
5.6.200.0030.04018.15
5.6.190.0030.08720.47
5.6.180.0530.07020.57
5.6.170.0300.07720.45
5.6.160.0070.04720.55
5.6.150.0070.03718.19
5.6.140.0070.08018.28
5.6.130.0070.08718.28
5.6.120.0030.08320.98
5.6.110.0100.04320.93
5.6.100.0130.07021.12
5.6.90.0100.06720.94
5.6.80.0100.07720.39
5.5.350.0300.07020.36
5.5.340.0130.07717.98
5.5.330.0070.04020.13
5.5.320.0300.08320.42
5.5.310.0130.07320.27
5.5.300.0030.08317.96
5.5.290.0070.04017.93
5.5.280.0130.08020.88
5.5.270.0070.08320.82
5.5.260.0100.03720.90
5.5.250.0070.05020.67
5.5.240.0130.04020.27
5.4.450.0730.05719.48
5.4.440.0900.07319.29
5.4.430.0770.06019.30
5.4.420.0530.06319.47
5.4.410.0400.06319.18
5.4.400.0630.05718.89
5.4.390.0730.05019.17
5.4.380.0130.05718.86
5.4.370.0370.05018.84
5.4.360.0200.04718.84
5.4.350.0200.05018.59
5.4.340.0130.05318.54
5.4.320.0060.03712.51
5.4.310.0070.03612.50
5.4.300.0050.04212.51
5.4.290.0040.03912.50
5.4.280.0040.04012.39
5.4.270.0080.03812.39
5.4.260.0080.03612.39
5.4.250.0050.04812.40
5.4.240.0080.03512.39
5.4.230.0070.04312.39
5.4.220.0090.03112.39
5.4.210.0180.04612.38
5.4.200.0170.04612.38
5.4.190.0160.04812.37
5.4.180.0180.04212.37
5.4.170.0130.04912.38
5.4.160.0130.04912.38
5.4.150.0180.04812.37
5.4.140.0160.04812.05
5.4.130.0220.04212.04
5.4.120.0130.04712.00
5.4.110.0210.03912.00
5.4.100.0150.04812.00
5.4.90.0210.04412.00
5.4.80.0120.04811.99
5.4.70.0210.03911.99
5.4.60.0170.04211.99
5.4.50.0180.04412.00
5.4.40.0190.04111.98
5.4.30.0230.04211.98
5.4.20.0240.03711.97
5.4.10.0150.04411.98
5.4.00.0170.04011.46
5.3.290.0060.04312.80
5.3.280.0060.03912.71
5.3.270.0200.04312.73
5.3.260.0190.04712.72
5.3.250.0220.04712.72
5.3.240.0160.04812.72
5.3.230.0220.04412.71
5.3.220.0160.04612.68
5.3.210.0170.04412.68
5.3.200.0100.05412.68
5.3.190.0230.04312.68
5.3.180.0150.04512.68
5.3.170.0130.05012.67
5.3.160.0190.04712.68
5.3.150.0170.04412.67
5.3.140.0280.04512.66
5.3.130.0180.04712.66
5.3.120.0170.05712.66
5.3.110.0200.04512.66
5.3.100.0250.05312.11
5.3.90.0160.05312.09
5.3.80.0240.04812.09
5.3.70.0180.05012.09
5.3.60.0150.04812.06
5.3.50.0230.05012.01
5.3.40.0120.05512.02
5.3.30.0190.05011.97
5.3.20.0190.04611.76
5.3.10.0250.03911.73
5.3.00.0230.03811.71
5.2.170.0180.0409.21
5.2.160.0120.0369.21
5.2.150.0150.0449.21
5.2.140.0100.0459.21
5.2.130.0120.0369.18
5.2.120.0130.0349.17
5.2.110.0120.0399.17
5.2.100.0170.0379.17
5.2.90.0110.0419.17
5.2.80.0120.0389.16
5.2.70.0140.0429.16
5.2.60.0140.0359.12
5.2.50.0110.0409.09
5.2.40.0150.0329.07
5.2.30.0180.0289.04
5.2.20.0120.0369.04
5.2.10.0150.0338.94
5.2.00.0130.0398.79
5.1.60.0080.0338.08
5.1.50.0120.0288.07
5.1.40.0090.0308.07
5.1.30.0130.0358.41
5.1.20.0200.0288.44
5.1.10.0110.0368.15
5.1.00.0090.0348.15
5.0.50.0110.0246.64
5.0.40.0130.0226.49
5.0.30.0100.0346.30
5.0.20.0110.0226.27
5.0.10.0070.0246.25
5.0.00.0090.0366.25
4.4.90.0080.0204.78
4.4.80.0070.0194.76
4.4.70.0080.0174.75
4.4.60.0080.0174.75
4.4.50.0060.0194.77
4.4.40.0070.0284.71
4.4.30.0070.0194.76
4.4.20.0060.0194.84
4.4.10.0070.0174.85
4.4.00.0060.0294.76
4.3.110.0070.0174.67
4.3.100.0060.0184.66
4.3.90.0060.0174.63
4.3.80.0160.0484.58
4.3.70.0040.0204.63
4.3.60.0070.0184.63
4.3.50.0060.0184.63
4.3.40.0070.0294.54
4.3.30.0040.0193.30
4.3.20.0040.0193.28
4.3.10.0040.0183.25
4.3.00.0000.0236.77

preferences:
36.43 ms | 401 KiB | 5 Q