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 $myValue;

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)
8.3.60.0120.00618.43
8.3.50.0100.01016.61
8.3.40.0120.00618.55
8.3.30.0040.01118.45
8.3.20.0050.00318.85
8.3.10.0050.00321.94
8.3.00.0080.00020.66
8.2.180.0140.00718.16
8.2.170.0100.00722.96
8.2.160.0040.01122.10
8.2.150.0000.01125.66
8.2.140.0070.00024.66
8.2.130.0050.00322.26
8.2.120.0070.00026.35
8.2.110.0060.00320.32
8.2.100.0000.01217.84
8.2.90.0030.00519.23
8.2.80.0030.00617.97
8.2.70.0040.00417.63
8.2.60.0000.00817.78
8.2.50.0040.00418.10
8.2.40.0040.00422.27
8.2.30.0040.00419.20
8.2.20.0000.00717.92
8.2.10.0040.00417.92
8.2.00.0000.00718.05
8.1.280.0130.00625.92
8.1.270.0000.00922.06
8.1.260.0000.00726.35
8.1.250.0000.00828.09
8.1.240.0030.00620.90
8.1.230.0070.00419.09
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0060.00317.35
8.1.190.0000.00817.10
8.1.180.0050.00318.10
8.1.170.0040.00418.58
8.1.160.0070.00019.02
8.1.150.0070.00020.64
8.1.140.0040.00519.63
8.1.130.0070.00018.97
8.1.120.0050.00217.36
8.1.110.0000.00817.48
8.1.100.0040.00417.44
8.1.90.0040.00417.39
8.1.80.0030.00517.48
8.1.70.0050.00317.35
8.1.60.0000.00817.55
8.1.50.0030.00617.55
8.1.40.0030.00617.40
8.1.30.0040.00417.54
8.1.20.0030.00517.54
8.1.10.0040.00417.56
8.1.00.0020.00517.53
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0000.00618.43
8.0.270.0030.00317.22
8.0.260.0000.00616.80
8.0.250.0030.00316.98
8.0.240.0000.00816.93
8.0.230.0080.00016.91
8.0.220.0050.00216.75
8.0.210.0040.00416.79
8.0.200.0000.00616.98
8.0.190.0030.00716.92
8.0.180.0040.00516.85
8.0.170.0000.00716.86
8.0.160.0080.00316.84
8.0.150.0040.00416.69
8.0.140.0000.00816.74
8.0.130.0060.00013.32
8.0.120.0080.00016.83
8.0.110.0030.00316.70
8.0.100.0000.00716.87
8.0.90.0000.00816.95
8.0.80.0120.00316.87
8.0.70.0040.00416.91
8.0.60.0040.00416.77
8.0.50.0000.00716.86
8.0.30.0100.00817.12
8.0.20.0150.00717.40
8.0.10.0040.00416.99
8.0.00.0070.01016.98
7.4.330.0030.00315.55
7.4.320.0030.00316.55
7.4.300.0060.00016.50
7.4.290.0000.00716.63
7.4.280.0000.00816.42
7.4.270.0030.00316.51
7.4.260.0000.00613.22
7.4.250.0070.00016.45
7.4.240.0000.00716.48
7.4.230.0000.00716.33
7.4.220.0030.01316.63
7.4.210.0110.00416.53
7.4.200.0030.00316.59
7.4.160.0100.00616.41
7.4.150.0120.00617.40
7.4.140.0120.00817.86
7.4.130.0120.01516.36
7.4.120.0100.01116.49
7.4.110.0140.00316.47
7.4.100.0160.00716.62
7.4.90.0080.00916.61
7.4.80.0160.00619.39
7.4.70.0060.00916.42
7.4.60.0100.00716.64
7.4.50.0060.00616.34
7.4.40.0140.00316.32
7.4.30.0110.00716.24
7.4.00.0060.01214.80
7.3.330.0000.00613.24
7.3.320.0020.00213.33
7.3.310.0030.00416.32
7.3.300.0060.00016.14
7.3.290.0090.00616.32
7.3.280.0060.01116.28
7.3.270.0060.01217.40
7.3.260.0100.00816.43
7.3.250.0090.01116.49
7.3.240.0120.01116.43
7.3.230.0090.01416.43
7.3.210.0060.01116.46
7.3.200.0140.00716.69
7.3.190.0030.01216.48
7.3.180.0000.02016.38
7.3.170.0040.01616.50
7.3.160.0060.00916.62
7.3.120.0100.01014.71
7.3.110.0090.00914.64
7.3.100.0000.01114.93
7.3.90.0030.01015.06
7.3.80.0040.01415.17
7.3.70.0140.00314.62
7.3.60.0000.01314.83
7.3.50.0100.00014.82
7.3.40.0060.01014.87
7.3.30.0070.00714.99
7.3.20.0090.00616.77
7.3.10.0080.00716.37
7.3.00.0060.00916.60
7.2.330.0110.00816.50
7.2.320.0090.00616.88
7.2.310.0040.01316.85
7.2.300.0090.00916.51
7.2.290.0030.01516.68
7.2.250.0120.00415.00
7.2.240.0110.00815.03
7.2.230.0070.00315.27
7.2.220.0060.00615.06
7.2.210.0090.00915.35
7.2.200.0100.00714.77
7.2.190.0090.00314.95
7.2.180.0130.00014.80
7.2.170.0030.01014.74
7.2.130.0060.00916.61
7.2.120.0130.00316.73
7.2.110.0040.01117.09
7.2.100.0030.00716.84
7.2.90.0030.01216.84
7.2.80.0090.00617.00
7.2.70.0000.01016.96
7.2.60.0100.00316.92
7.2.50.0030.01616.85
7.2.40.0000.01116.73
7.2.30.0090.00617.17
7.2.20.0070.00316.99
7.2.10.0000.01517.10
7.2.00.0060.00917.21
7.1.330.0100.00315.84
7.1.320.0040.00815.93
7.1.310.0100.01015.71
7.1.300.0080.00415.82
7.1.290.0000.01415.73
7.1.280.0040.00815.88
7.1.270.0120.00015.51
7.1.260.0100.00316.04
7.1.250.0030.00615.61
7.1.200.0030.00915.74
7.1.70.0040.00417.28
7.1.60.0730.01333.36
7.1.50.0830.00733.07
7.1.40.0730.01032.46
7.1.30.1130.01032.68
7.1.20.0730.01332.68
7.1.10.0730.01014.86
7.1.00.0670.00715.01
7.0.200.0670.01014.67
7.0.190.0700.00714.83
7.0.180.0800.01314.25
7.0.170.0670.00714.54
7.0.160.0630.00314.38
7.0.150.0600.01014.41
7.0.140.0600.01714.50
7.0.130.0730.01314.98
7.0.120.0670.00714.90
7.0.110.0730.00714.49
7.0.100.0700.01314.49
7.0.90.0830.00314.61
7.0.80.0630.00714.70
7.0.70.0700.00314.80
7.0.60.0630.01014.40
7.0.50.0600.01014.65
7.0.40.1170.00314.67
7.0.30.0670.00714.68
7.0.20.0670.01014.73
7.0.10.0670.00714.68
7.0.00.0730.00714.87

preferences:
31.28 ms | 400 KiB | 5 Q