3v4l.org

run code in 300+ PHP versions simultaneously
<?php class wpq { private $unreferenced; public function __get($name) { return (array)$this->$name; } } function ret_assoc() { return array('foo' => 'bar'); } $wpq = new wpq; $wpq->interesting =& ret_assoc(); $x = $wpq->interesting; printf("%s\n", $x);

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)
8.3.60.0110.01116.63
8.3.50.0080.01221.21
8.3.40.0130.01018.65
8.3.30.0100.00318.71
8.3.20.0050.00220.21
8.3.10.0120.00623.50
8.3.00.0050.00319.76
8.2.180.0130.00616.75
8.2.170.0100.01022.96
8.2.160.0070.00720.35
8.2.150.0080.00024.18
8.2.140.0150.00324.66
8.2.130.0060.00326.16
8.2.120.0090.00017.75
8.2.110.0050.00520.45
8.2.100.0090.00317.91
8.2.90.0080.00017.63
8.2.80.0040.00417.97
8.2.70.0030.00517.89
8.2.60.0040.00418.04
8.2.50.0060.00318.10
8.2.40.0000.00720.60
8.2.30.0070.00018.12
8.2.20.0000.00817.73
8.2.10.0070.00017.96
8.2.00.0000.00717.93
8.1.280.0140.00325.92
8.1.270.0090.00920.33
8.1.260.0060.01226.35
8.1.250.0000.00728.09
8.1.240.0060.00622.18
8.1.230.0080.00320.74
8.1.220.0000.00817.78
8.1.210.0000.00918.77
8.1.200.0060.00317.47
8.1.190.0030.00517.23
8.1.180.0040.00418.10
8.1.170.0050.00318.59
8.1.160.0040.00422.05
8.1.150.0050.00218.87
8.1.140.0040.00417.37
8.1.130.0000.00717.63
8.1.120.0040.00417.45
8.1.110.0000.00717.42
8.1.100.0000.00717.47
8.1.90.0050.00317.44
8.1.80.0030.00317.43
8.1.70.0030.00317.35
8.1.60.0000.00817.48
8.1.50.0030.00617.52
8.1.40.0050.00317.42
8.1.30.0040.00417.62
8.1.20.0000.00717.56
8.1.10.0030.00617.48
8.1.00.0000.00717.51
8.0.300.0000.00719.64
8.0.290.0040.00416.75
8.0.280.0000.00718.46
8.0.270.0030.00317.25
8.0.260.0060.00017.13
8.0.250.0080.00016.98
8.0.240.0060.00016.91
8.0.230.0030.00316.98
8.0.220.0040.00216.96
8.0.210.0070.00016.85
8.0.200.0030.00317.07
8.0.190.0050.00516.91
8.0.180.0080.00016.84
8.0.170.0050.00216.95
8.0.160.0040.00417.00
8.0.150.0040.00416.79
8.0.140.0040.00316.91
8.0.130.0030.00613.41
8.0.120.0040.00416.88
8.0.110.0030.00516.93
8.0.100.0070.00016.98
8.0.90.0070.00016.74
8.0.80.0060.01316.93
8.0.70.0080.00016.89
8.0.60.0000.00716.93
8.0.50.0040.00416.98
8.0.30.0130.00817.03
8.0.20.0130.00917.40
8.0.10.0050.00216.89
8.0.00.0110.01116.79
7.4.330.0050.00015.09
7.4.320.0060.00016.50
7.4.300.0080.00016.51
7.4.290.0030.00516.65
7.4.280.0050.00516.57
7.4.270.0030.00316.55
7.4.260.0070.00016.52
7.4.250.0020.00516.44
7.4.240.0000.00716.52
7.4.230.0060.00016.63
7.4.220.0130.00316.45
7.4.210.0060.01116.65
7.4.200.0000.00716.50
7.4.160.0070.01016.46
7.4.150.0120.01217.40
7.4.140.0130.00717.86
7.4.130.0150.00816.59
7.4.120.0080.00816.58
7.4.110.0080.00916.52
7.4.100.0100.01316.49
7.4.90.0030.01416.55
7.4.80.0120.00619.39
7.4.70.0110.01016.66
7.4.60.0080.00816.46
7.4.50.0000.00916.59
7.4.40.0070.01416.21
7.4.30.0100.00716.33
7.4.00.0060.01215.02
7.3.330.0000.00713.43
7.3.320.0060.00013.22
7.3.310.0050.00216.53
7.3.300.0030.00316.45
7.3.290.0040.00416.45
7.3.280.0070.01216.40
7.3.270.0110.00617.40
7.3.260.0110.00716.57
7.3.250.0120.00716.63
7.3.240.0100.01316.55
7.3.230.0070.01116.70
7.3.210.0090.00916.53
7.3.200.0080.00816.69
7.3.190.0060.01316.50
7.3.180.0070.01016.23
7.3.170.0070.01416.46
7.3.160.0150.00616.51
7.3.10.0070.00416.78
7.3.00.0090.00916.52
7.2.330.0060.01916.46
7.2.320.0060.01316.57
7.2.310.0060.01016.70
7.2.300.0100.00616.78
7.2.290.0090.00916.86
7.2.130.0120.00316.91
7.2.120.0120.00316.72
7.2.110.0210.00716.63
7.2.100.0070.00717.04
7.2.90.0070.01016.77
7.2.80.0060.00816.80
7.2.70.0000.01417.02
7.2.60.0030.01116.74
7.2.50.0000.01717.02
7.2.40.0030.00916.96
7.2.30.0030.01416.99
7.2.20.0070.00716.81
7.2.10.0060.00617.13
7.2.00.0050.01018.29
7.1.250.0090.00015.76
7.1.200.0060.00615.76
7.1.100.0060.00618.19
7.1.70.0030.00317.28
7.1.60.0030.02120.03
7.1.50.0170.00717.02
7.1.00.0070.09322.36
7.0.200.1260.00714.63
7.0.60.0070.08319.95
7.0.50.0070.07317.87
7.0.40.0270.06319.96
7.0.30.0270.05020.17
7.0.20.0230.04720.24
7.0.10.0000.05020.11
7.0.00.0030.05720.16
5.6.280.0000.06320.89
5.6.210.0100.08320.61
5.6.200.0030.05718.25
5.6.190.0070.04020.63
5.6.180.3200.04720.63
5.6.170.0200.05020.55
5.6.160.0130.08020.54
5.6.150.0070.08018.16
5.6.140.0070.04018.18
5.6.130.0000.06718.20
5.6.120.0000.04320.99
5.6.110.0100.08021.05
5.6.100.0270.07021.00
5.6.90.0000.04320.98
5.6.80.0030.08020.30
5.6.70.3400.03720.29
5.5.350.0070.08020.39
5.5.340.0070.06318.11
5.5.330.0100.08320.27
5.5.320.3200.03720.35
5.5.310.0170.04320.32
5.5.300.0070.08318.08
5.5.290.0100.07717.98
5.5.280.0070.05720.74
5.5.270.0100.08020.93
5.5.260.0130.07720.68
5.5.250.0100.08020.69
5.5.240.0270.06720.07
5.4.450.0100.06019.36
5.4.440.0170.05319.37
5.4.430.0370.06019.43
5.4.420.0270.05719.34
5.4.410.0070.05718.99
5.4.400.0300.07018.95
5.4.390.0170.05719.27
5.4.380.0130.05019.09
5.4.370.0100.05718.79
5.4.360.0200.05019.12
5.4.350.0200.05019.24
5.4.340.0100.05719.09
5.4.320.0070.05718.80
5.4.310.0200.05018.96
5.4.300.0230.05319.26
5.4.290.0230.04318.99
5.4.280.0370.05319.08
5.4.270.0200.05319.08
5.4.260.0130.05019.13
5.4.250.0100.06319.27
5.4.240.0270.06018.79
5.4.230.0700.06019.19
5.4.220.0800.04318.99
5.4.210.0230.05719.23
5.4.200.0130.05318.81
5.4.190.0330.05019.09
5.4.180.0600.06019.21
5.4.170.0500.05719.09
5.4.160.0630.05018.77
5.4.150.0470.06319.30
5.4.140.0400.05716.41
5.4.130.0570.04016.58
5.4.120.0470.05016.36
5.4.110.0600.05016.50
5.4.100.0070.05016.50
5.4.90.0100.04716.52
5.4.80.0370.05016.38
5.4.70.0030.03316.20
5.4.60.0300.07016.42
5.4.50.0000.07716.16
5.4.40.0230.05316.23
5.4.30.0270.05016.52
5.4.20.0200.04016.40

preferences:
55.82 ms | 401 KiB | 5 Q