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(); // $myValue is a reference to $obj->value, which is 42. //$obj->value = 2; $myValue = 123; echo $obj->value;

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)
8.3.40.0140.00718.48
8.3.30.0100.00319.02
8.3.20.0000.00720.16
8.3.10.0050.00221.70
8.3.00.0040.00419.26
8.2.170.0130.00322.96
8.2.160.0100.00319.46
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0070.00019.54
8.2.110.0080.00019.33
8.2.100.0000.01217.63
8.2.90.0040.00419.17
8.2.80.0030.00517.97
8.2.70.0040.00417.63
8.2.60.0090.00017.93
8.2.50.0000.00818.07
8.2.40.0080.00019.95
8.2.30.0000.00718.07
8.2.20.0000.00717.59
8.2.10.0080.00017.93
8.2.00.0040.00417.60
8.1.270.0040.00420.66
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0060.00322.19
8.1.230.0080.00417.66
8.1.220.0000.00817.78
8.1.210.0080.00018.77
8.1.200.0060.00317.36
8.1.190.0040.00417.35
8.1.180.0000.00918.10
8.1.170.0000.00818.66
8.1.160.0000.00721.82
8.1.150.0000.00718.82
8.1.140.0040.00417.38
8.1.130.0030.00317.82
8.1.120.0000.00717.39
8.1.110.0040.00417.34
8.1.100.0040.00417.41
8.1.90.0030.00317.40
8.1.80.0000.00817.28
8.1.70.0070.00017.26
8.1.60.0000.00717.46
8.1.50.0040.00417.41
8.1.40.0040.00417.52
8.1.30.0000.00817.48
8.1.20.0040.00417.50
8.1.10.0050.00217.43
8.1.00.0000.00917.40
8.0.300.0000.00718.77
8.0.290.0070.00016.58
8.0.280.0000.00718.41
8.0.270.0070.00017.24
8.0.260.0030.00318.40
8.0.250.0070.00016.91
8.0.240.0000.00616.91
8.0.230.0030.00316.79
8.0.220.0070.00016.74
8.0.210.0040.00416.87
8.0.200.0030.00616.84
8.0.190.0040.00416.82
8.0.180.0050.00216.81
8.0.170.0000.00716.80
8.0.160.0030.00616.84
8.0.150.0000.00716.65
8.0.140.0070.00016.64
8.0.130.0030.00313.23
8.0.120.0050.00316.80
8.0.110.0040.00416.80
8.0.100.0050.00216.70
8.0.90.0040.00416.69
8.0.80.0160.00616.84
8.0.70.0090.00016.69
8.0.60.0040.00416.65
8.0.50.0000.00716.69
8.0.30.0090.01117.03
8.0.20.0110.01317.40
8.0.10.0070.00016.84
8.0.00.0090.00916.76
7.4.330.0000.00515.03
7.4.320.0050.00216.45
7.4.300.0060.00016.36
7.4.290.0030.00316.39
7.4.280.0000.00816.49
7.4.270.0030.00316.51
7.4.260.0000.00716.50
7.4.250.0000.00716.55
7.4.240.0020.00616.55
7.4.230.0000.00716.71
7.4.220.0120.00616.55
7.4.210.0100.00816.61
7.4.200.0000.00716.39
7.4.160.0100.00716.55
7.4.150.0130.00617.40
7.4.140.0080.00917.86
7.4.130.0100.01016.65
7.4.120.0110.00816.61
7.4.110.0030.01616.61
7.4.100.0100.00716.70
7.4.90.0130.00716.57
7.4.80.0160.01019.39
7.4.70.0000.01516.33
7.4.60.0130.00316.29
7.4.50.0060.00016.50
7.4.40.0070.01116.56
7.4.30.0150.00416.53
7.4.00.0060.01015.04
7.3.330.0030.00313.23
7.3.320.0140.00013.07
7.3.310.0000.00716.29
7.3.300.0030.00316.11
7.3.290.0030.00316.15
7.3.280.0110.00516.20
7.3.270.0170.00017.40
7.3.260.0100.00716.20
7.3.250.0110.00816.29
7.3.240.0030.01316.16
7.3.230.0100.01316.39
7.3.210.0090.00916.54
7.3.200.0130.01019.39
7.3.190.0000.01516.19
7.3.180.0150.00016.56
7.3.170.0030.01316.27
7.3.160.0130.00816.29
7.2.330.0100.00816.80
7.2.320.0100.00716.67
7.2.310.0090.01516.85
7.2.300.0070.01616.68
7.2.290.0170.00316.44
7.2.00.0070.01019.33
7.1.200.0030.00615.94
7.1.100.0060.00918.11
7.1.70.0000.01117.12
7.1.60.0070.01819.50
7.1.50.0070.01816.63
7.1.00.0030.07322.46
7.0.200.0000.00816.79
7.0.140.0030.05022.08
7.0.60.0070.05319.91
7.0.50.0100.08017.99
7.0.40.0100.08020.18
7.0.30.0330.05720.26
7.0.20.0370.07320.19
7.0.10.0270.04720.07
7.0.00.0070.04320.24
5.6.280.0030.07320.77
5.6.210.0030.07320.47
5.6.200.0170.07018.19
5.6.190.0000.04720.67
5.6.180.0200.04020.44
5.6.170.0270.08020.40
5.6.160.0100.06720.57
5.6.150.0000.04318.19
5.6.140.0000.06018.18
5.6.130.0130.07318.26
5.6.120.0030.09321.00
5.6.110.0070.07021.05
5.6.100.0070.05720.98
5.6.90.0030.09321.00
5.6.80.0100.05320.50
5.6.70.0100.07020.53
5.5.350.0270.04720.52
5.5.340.0100.03717.99
5.5.330.0070.05020.33
5.5.320.0130.06320.19
5.5.310.0230.05320.30
5.5.300.0130.07317.99
5.5.290.0030.04317.98
5.5.280.0030.05020.77
5.5.270.0000.08320.87
5.5.260.0070.07720.89
5.5.250.0130.08020.68
5.5.240.0400.04020.28
5.4.450.0570.06019.21
5.4.440.1200.07319.63
5.4.430.0430.07019.43
5.4.420.0930.04719.60
5.4.410.0100.05319.25
5.4.400.0130.06318.78
5.4.390.0330.06718.68
5.4.380.0270.05718.71
5.4.370.0300.05318.78
5.4.360.0230.05018.55
5.4.350.0270.04718.49
5.4.340.0170.06718.71
5.4.320.0130.08318.49
5.4.310.0270.07018.46
5.4.300.0300.06318.49
5.4.290.0200.05718.76
5.4.280.0130.06018.67
5.4.270.0130.06018.77
5.4.260.0130.05718.67
5.4.250.0200.05318.53
5.4.240.0230.05318.48
5.4.230.0270.05318.53
5.4.220.0130.06318.75
5.4.210.0200.05018.75
5.4.200.0230.04716.78
5.4.190.0370.04718.79
5.4.180.0330.04318.53
5.4.170.0230.05718.79
5.4.160.0270.04318.68
5.4.150.0200.06718.71
5.4.140.0170.05316.31
5.4.130.0130.05716.43
5.4.120.0270.04716.18
5.4.110.0330.03316.40
5.4.100.0130.05716.25
5.4.90.0100.05716.24
5.4.80.0230.04316.27
5.4.70.0200.04716.25
5.4.60.0130.05716.17
5.4.50.0200.04716.25
5.4.40.0230.05016.41
5.4.30.0170.04716.37
5.4.20.0170.05016.36
5.4.10.0230.04316.24
5.4.00.0230.04715.73
5.3.290.0130.06314.68
5.3.280.0270.04314.59
5.3.270.0070.06314.70
5.3.260.0170.05314.61
5.3.250.0170.05014.67
5.3.240.0200.05314.68
5.3.230.0200.05714.79
5.3.220.0170.05314.54
5.3.210.0230.05314.74
5.3.200.0130.05714.66
5.3.190.0270.04714.77
5.3.180.0200.05014.54
5.3.170.0100.07314.57
5.3.160.0230.04714.61
5.3.150.0230.04714.65
5.3.140.0070.06014.75
5.3.130.0200.05014.64
5.3.120.0200.05014.64
5.3.110.0100.06314.64
5.3.100.0230.04714.14
5.3.90.0300.04014.22
5.3.80.0200.05314.22
5.3.70.0100.06014.05
5.3.60.0130.05314.04
5.3.50.0230.05014.15
5.3.40.0130.06013.99
5.3.30.0130.05314.03
5.3.20.0270.05713.70
5.3.10.0200.04713.69
5.3.00.0230.04313.83
5.2.170.0230.03311.16
5.2.160.0200.03311.18
5.2.150.0170.04311.16
5.2.140.0100.05711.13
5.2.130.0200.03311.08
5.2.120.0170.03711.29
5.2.110.0100.04311.13
5.2.100.0100.04311.19
5.2.90.0170.03711.20
5.2.80.0130.06011.10
5.2.70.0200.03711.20
5.2.60.0170.04011.05
5.2.50.0100.04711.11
5.2.40.0070.04711.05
5.2.30.0130.04010.96
5.2.20.0070.04311.03
5.2.10.0200.03710.95
5.2.00.0100.04710.70
5.1.60.0200.02310.19
5.1.50.0070.04310.19
5.1.40.0170.03010.04
5.1.30.0100.03710.39
5.1.20.0030.04310.45
5.1.10.0070.04010.17
5.1.00.0070.04010.09
5.0.50.0070.0308.52
5.0.40.0030.0308.43
5.0.30.0070.0508.32
5.0.20.0170.0178.26
5.0.10.0170.0208.17
5.0.00.0070.0438.18
4.4.90.0100.0205.89
4.4.80.0100.0205.98
4.4.70.0030.0235.87
4.4.60.0030.0236.02
4.4.50.0130.0135.97
4.4.40.0100.0305.87
4.4.30.0070.0205.93
4.4.20.0030.0235.93
4.4.10.0030.0236.03
4.4.00.0030.0375.90
4.3.110.0070.0235.81
4.3.100.0070.0205.84
4.3.90.0000.0275.77
4.3.80.0030.0375.79
4.3.70.0070.0205.86
4.3.60.0070.0205.77
4.3.50.0070.0235.78
4.3.40.0070.0335.75
4.3.30.0030.0234.57
4.3.20.0000.0274.54
4.3.10.0070.0204.61
4.3.00.0100.0237.19

preferences:
34.18 ms | 400 KiB | 5 Q