3v4l.org

run code in 300+ PHP versions simultaneously
<?php class foo { public $value = 42; public function &getValue() { return $this->value; } } $obj = new foo; $myValue = &$obj->getValue(); echo $myValue.PHP_EOL; echo $obj->value.PHP_EOL; $obj->value = 2; echo $this->getValue();

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)
8.3.40.0090.00618.89
8.3.30.0140.00018.83
8.3.20.0030.00619.28
8.3.10.0040.00421.57
8.3.00.0030.00520.95
8.2.170.0100.00722.96
8.2.160.0120.00322.10
8.2.150.0000.01025.66
8.2.140.0040.00424.66
8.2.130.0040.00422.28
8.2.120.0050.00326.35
8.2.110.0030.00622.30
8.2.100.0070.00417.91
8.2.90.0030.00619.27
8.2.80.0090.00017.97
8.2.70.0000.00817.75
8.2.60.0060.00317.80
8.2.50.0060.00318.10
8.2.40.0040.00422.04
8.2.30.0000.00719.29
8.2.20.0040.00418.07
8.2.10.0050.00217.97
8.2.00.0030.00517.98
8.1.270.0000.00722.19
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0070.00319.21
8.1.230.0040.00819.15
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0060.00317.34
8.1.190.0000.00817.22
8.1.180.0040.00418.10
8.1.170.0050.00318.49
8.1.160.0000.00719.06
8.1.150.0000.00820.72
8.1.140.0000.01019.59
8.1.130.0000.00718.79
8.1.120.0030.00317.38
8.1.110.0030.00517.51
8.1.100.0000.00717.48
8.1.90.0050.00317.43
8.1.80.0080.00017.44
8.1.70.0030.00317.42
8.1.60.0000.00917.54
8.1.50.0000.00717.52
8.1.40.0000.00817.54
8.1.30.0040.00417.66
8.1.20.0000.00817.68
8.1.10.0060.00317.58
8.1.00.0000.00717.48
8.0.300.0000.00718.77
8.0.290.0000.00816.75
8.0.280.0000.00718.46
8.0.270.0000.00717.27
8.0.260.0000.00716.89
8.0.250.0030.00316.91
8.0.240.0050.00317.06
8.0.230.0040.00417.03
8.0.220.0050.00216.85
8.0.210.0000.00716.92
8.0.200.0030.00316.91
8.0.190.0060.00317.00
8.0.180.0030.00617.01
8.0.170.0040.00416.96
8.0.160.0050.00316.89
8.0.150.0040.00416.91
8.0.140.0000.00716.95
8.0.130.0030.00313.30
8.0.120.0070.00016.86
8.0.110.0040.00416.90
8.0.100.0040.00416.96
8.0.90.0000.00716.97
8.0.80.0090.00616.93
8.0.70.0030.00616.83
8.0.60.0040.00416.91
8.0.50.0020.00516.75
8.0.30.0070.01017.09
8.0.20.0140.00617.40
8.0.10.0040.00416.95
8.0.00.0070.01016.79
7.4.330.0050.00015.55
7.4.320.0040.00416.46
7.4.300.0030.00316.50
7.4.290.0000.00716.52
7.4.280.0070.00016.54
7.4.270.0070.00016.52
7.4.260.0030.00313.30
7.4.250.0000.00716.43
7.4.240.0030.00316.60
7.4.230.0030.00316.72
7.4.220.0080.00816.60
7.4.210.0150.00716.59
7.4.200.0030.00316.56
7.4.160.0100.00916.55
7.4.150.0120.00617.40
7.4.140.0140.00717.86
7.4.130.0200.00716.58
7.4.120.0120.00716.49
7.4.110.0160.00016.61
7.4.100.0040.02016.44
7.4.90.0140.00316.82
7.4.80.0110.01419.39
7.4.70.0070.01016.53
7.4.60.0130.00316.61
7.4.50.0090.00616.36
7.4.40.0120.00916.49
7.4.30.0070.01016.60
7.4.00.0070.00714.92
7.3.330.0000.00513.38
7.3.320.0060.00013.19
7.3.310.0000.00716.32
7.3.300.0030.00316.37
7.3.290.0060.01016.36
7.3.280.0110.00716.33
7.3.270.0170.00617.40
7.3.260.0110.00616.55
7.3.250.0080.01216.53
7.3.240.0020.01816.55
7.3.230.0120.00916.54
7.3.210.0130.01016.41
7.3.200.0090.00616.45
7.3.190.0070.01416.70
7.3.180.0040.01116.55
7.3.170.0060.01016.59
7.3.160.0060.01016.49
7.2.330.0100.00716.65
7.2.320.0090.00916.75
7.2.310.0060.01016.48
7.2.300.0030.01316.45
7.2.290.0140.00316.46
7.2.60.0030.01317.00
7.2.00.0040.00819.62
7.1.200.0120.00315.80
7.1.100.0080.00418.16
7.1.70.0030.00516.82
7.1.60.1000.01033.23
7.1.50.1230.01032.68
7.1.40.0800.01332.57
7.1.30.0830.02332.64
7.1.20.0130.02032.64
7.1.10.0770.01314.62
7.1.00.1170.00715.03
7.0.200.0800.01014.90
7.0.190.0870.01314.66
7.0.180.1000.00714.70
7.0.170.0100.01014.37
7.0.160.1070.00714.48
7.0.150.0830.00714.55
7.0.140.0370.00714.57
7.0.130.0070.00714.91
7.0.120.0130.00014.54
7.0.110.0730.01014.44
7.0.100.0030.01014.60
7.0.90.0000.01014.70
7.0.80.0730.00714.63
7.0.70.0770.01714.79
7.0.60.0730.00714.35
7.0.50.0870.01014.49
7.0.40.0800.00714.94
7.0.30.1000.00714.60
7.0.20.0730.01014.56
7.0.10.0670.01314.61
7.0.00.0700.01314.61

preferences:
50.97 ms | 400 KiB | 5 Q