3v4l.org

run code in 300+ PHP versions simultaneously
<?php class foo { public $bar = null; public function &getBar() { if ($this->bar === null) { $this->bar[] = 'init'; } return $this->bar; } } $obj = new foo; $myValue = &$obj->getBar(); $myValue[] = 123; var_dump($obj->bar);

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)
8.3.60.0070.00716.38
8.3.50.0110.00621.88
8.3.40.0120.00618.59
8.3.30.0110.00419.00
8.3.20.0050.00320.33
8.3.10.0050.00321.80
8.3.00.0030.00619.13
8.2.180.0120.00616.63
8.2.170.0110.00422.96
8.2.160.0140.00020.16
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0040.01119.66
8.2.110.0040.00419.39
8.2.100.0040.00817.63
8.2.90.0030.00619.05
8.2.80.0080.00017.97
8.2.70.0000.00817.63
8.2.60.0090.00017.92
8.2.50.0030.00518.07
8.2.40.0000.00820.01
8.2.30.0000.00717.98
8.2.20.0050.00217.73
8.2.10.0030.00617.93
8.2.00.0000.00817.59
8.1.280.0170.00325.92
8.1.270.0000.00822.01
8.1.260.0070.00026.35
8.1.250.0000.00828.09
8.1.240.0030.00622.18
8.1.230.0090.00317.65
8.1.220.0060.00317.74
8.1.210.0090.00018.77
8.1.200.0060.00317.13
8.1.190.0040.00417.36
8.1.180.0060.00318.10
8.1.170.0000.00918.55
8.1.160.0040.00421.99
8.1.150.0070.00018.72
8.1.140.0040.00417.39
8.1.130.0000.00717.78
8.1.120.0070.00017.44
8.1.110.0040.00417.41
8.1.100.0000.00717.28
8.1.90.0030.00317.34
8.1.80.0020.00517.43
8.1.70.0000.00717.32
8.1.60.0060.00317.59
8.1.50.0050.00317.46
8.1.40.0030.00617.37
8.1.30.0040.00417.64
8.1.20.0040.00417.54
8.1.10.0050.00217.44
8.1.00.0050.00517.46
8.0.300.0070.00018.77
8.0.290.0000.00716.63
8.0.280.0000.00718.41
8.0.270.0070.00017.19
8.0.260.0030.00317.07
8.0.250.0030.00316.88
8.0.240.0000.00616.73
8.0.230.0070.00016.80
8.0.220.0070.00016.72
8.0.210.0080.00016.71
8.0.200.0030.00316.90
8.0.190.0070.00016.87
8.0.180.0040.00416.74
8.0.170.0070.00016.80
8.0.160.0040.00416.84
8.0.150.0030.00316.81
8.0.140.0080.00016.83
8.0.130.0030.00313.17
8.0.120.0070.00016.70
8.0.110.0040.00416.83
8.0.100.0000.00716.79
8.0.90.0080.00016.85
8.0.80.0100.00716.88
8.0.70.0040.00416.78
8.0.60.0000.00716.71
8.0.50.0000.00716.73
8.0.30.0150.00617.01
8.0.20.0110.00817.40
8.0.10.0000.00816.76
8.0.00.0100.00716.89
7.4.330.0050.00015.09
7.4.320.0000.00716.59
7.4.300.0000.00716.50
7.4.290.0040.00416.50
7.4.280.0050.00216.61
7.4.270.0030.00316.52
7.4.260.0000.00716.58
7.4.250.0000.00716.42
7.4.240.0020.00616.54
7.4.230.0070.00016.60
7.4.220.0030.01516.52
7.4.210.0050.01116.58
7.4.200.0030.00316.42
7.4.160.0060.01016.44
7.4.150.0100.00717.40
7.4.140.0060.01317.86
7.4.130.0110.00816.65
7.4.120.0160.00516.50
7.4.110.0070.01316.59
7.4.100.0110.00616.40
7.4.90.0100.00716.45
7.4.80.0130.00619.39
7.4.70.0120.00416.53
7.4.60.0100.01016.52
7.4.50.0030.00516.61
7.4.40.0030.01416.50
7.4.30.0150.00916.64
7.4.00.0060.01014.79
7.3.330.0050.00013.09
7.3.320.0060.00613.38
7.3.310.0040.00416.39
7.3.300.0030.00316.18
7.3.290.0030.00316.22
7.3.280.0090.00816.29
7.3.270.0130.00917.40
7.3.260.0080.01016.44
7.3.250.0100.01216.32
7.3.240.0140.00416.26
7.3.230.0100.00716.39
7.3.210.0060.01016.57
7.3.200.0100.00616.29
7.3.190.0060.01016.27
7.3.180.0080.00816.15
7.3.170.0100.01016.34
7.3.160.0140.00316.18
7.2.330.0120.00616.61
7.2.320.0030.01316.58
7.2.310.0150.01216.73
7.2.300.0140.01016.43
7.2.290.0110.00716.76
7.2.60.0070.00716.64
7.2.00.0060.00619.16
7.1.200.0030.01115.96
7.1.100.0440.01417.71
7.1.70.0040.00416.92
7.1.60.0090.01519.50
7.1.50.0180.00716.49
7.1.00.0000.07322.43
7.0.200.0050.00516.89
7.0.140.0030.07321.97
7.0.60.0070.04720.04
7.0.50.0030.08017.86
7.0.40.0070.07720.30
7.0.30.0370.07720.25
7.0.20.0300.08020.16
7.0.10.0270.06020.20
7.0.00.0100.04020.08
5.6.280.0030.07321.02
5.6.210.0070.07020.45
5.6.200.0000.05318.12
5.6.190.0030.04320.62
5.6.180.0230.04320.39
5.6.170.0400.05720.55
5.6.160.0070.05320.54
5.6.150.0030.04018.23
5.6.140.0030.08718.22
5.6.130.0030.09318.18
5.6.120.0100.08321.03
5.6.110.0130.07720.96
5.6.100.0130.07720.99
5.6.90.0100.08320.98
5.6.80.0070.08020.41
5.6.70.0170.07320.50
5.5.350.0200.07720.48
5.5.340.0100.07718.08
5.5.330.0130.06320.25
5.5.320.0070.05020.41
5.5.310.0370.06320.26
5.5.300.0100.03718.08
5.5.290.0100.08718.03
5.5.280.0100.08020.86
5.5.270.0070.05320.79
5.5.260.0070.09020.86
5.5.250.0030.07320.47
5.5.240.0170.06720.07
5.4.450.0200.05719.64
5.4.440.0300.03719.57
5.4.430.0230.04019.30
5.4.420.0300.07319.45
5.4.410.0300.04019.28
5.4.400.0300.07019.02
5.4.390.0230.07718.98
5.4.380.0330.07019.16
5.4.370.0330.07319.16
5.4.360.0230.04018.99
5.4.350.0200.04718.99
5.4.340.0330.05018.95
5.4.320.0330.07019.14
5.4.310.0200.04719.05
5.4.300.0300.07019.09
5.4.290.0300.05318.94
5.4.280.0270.04319.16
5.4.270.0270.05318.88
5.4.260.0300.04019.19
5.4.250.0230.07319.21
5.4.240.0300.03718.86
5.4.230.0330.06019.18
5.4.220.0230.05719.21
5.4.210.0300.03718.94
5.4.200.0270.04019.21
5.4.190.0330.07019.30
5.4.180.0300.06019.18
5.4.170.0270.07019.15
5.4.160.0270.04018.96
5.4.150.0230.04718.97
5.4.140.0230.04716.46
5.4.130.0330.06716.34
5.4.120.0430.05316.50
5.4.110.0300.04316.40
5.4.100.0370.06316.27
5.4.90.0230.06716.41
5.4.80.0300.04716.54
5.4.70.0270.04316.57
5.4.60.0300.07016.43
5.4.50.0270.07016.44
5.4.40.0270.05016.43
5.4.30.0330.06316.59
5.4.20.0270.03716.43
5.4.10.0300.06716.43
5.4.00.0270.04316.11
5.3.290.0300.05314.63
5.3.280.0300.03014.66
5.3.270.0300.04314.58
5.3.260.0270.03314.59
5.3.250.0330.03314.65
5.3.240.0300.06714.69
5.3.230.0330.07014.61
5.3.220.0270.05714.72
5.3.210.0230.04314.55
5.3.200.0300.03714.79
5.3.190.0270.06314.49
5.3.180.0230.03714.48
5.3.170.0300.07714.63
5.3.160.0270.06714.64
5.3.150.0230.07714.46
5.3.140.0330.06014.78
5.3.130.0270.07714.52
5.3.120.0300.07014.46
5.3.110.0270.07014.52
5.3.100.0330.07013.95
5.3.90.0300.06714.13
5.3.80.0270.05713.95
5.3.70.0270.06714.18
5.3.60.0300.06713.90
5.3.50.0300.05713.96
5.3.40.0300.04014.11
5.3.30.0230.07014.04
5.3.20.0330.06713.91
5.3.10.0230.04013.69
5.3.00.0430.05313.69
5.2.170.0200.06313.69
5.2.160.0270.05713.69
5.2.150.0230.05013.69
5.2.140.0230.04313.69
5.2.130.0230.04013.69
5.2.120.0300.03713.69
5.2.110.0200.03313.69
5.2.100.0200.05713.69
5.2.90.0270.05713.69
5.2.80.0200.06713.69
5.2.70.0330.05313.69
5.2.60.0230.06013.69
5.2.50.0270.05313.69
5.2.40.0200.03713.69
5.2.30.0270.04713.69
5.2.20.0230.05713.69
5.2.10.0230.04713.69
5.2.00.0200.05313.69
5.1.60.0170.05313.69
5.1.50.0170.02713.69
5.1.40.0230.05013.69
5.1.30.0170.04013.69
5.1.20.0270.04013.69
5.1.10.0270.03313.69
5.1.00.0170.05713.69
5.0.50.0070.05313.69
5.0.40.0130.03013.69
5.0.30.0170.06313.69
5.0.20.0130.03313.69
5.0.10.0170.02713.69
5.0.00.0070.04013.69
4.4.90.0130.02713.69
4.4.80.0130.02713.69
4.4.70.0070.03313.69
4.4.60.0100.02313.69
4.4.50.0130.02013.69
4.4.40.0100.05313.69
4.4.30.0070.02013.69
4.4.20.0130.03313.69
4.4.10.0200.02013.69
4.4.00.0100.05013.69
4.3.110.0100.02713.69
4.3.100.0100.02713.69
4.3.90.0130.03013.69
4.3.80.0100.02713.69
4.3.70.0130.02313.69
4.3.60.0200.01013.69
4.3.50.0130.01713.69
4.3.40.0070.02713.69
4.3.30.0030.01713.69
4.3.20.0000.02313.69
4.3.10.0070.01713.69
4.3.00.0100.01313.69

preferences:
48.48 ms | 401 KiB | 5 Q