3v4l.org

run code in 300+ PHP versions simultaneously
<?php class weird { var $myvar; var $other; var $blee; function __construct() { $myvar = 'other'; ${'myvar'} = 'blee'; $this->myvar = "A"; $this->$myvar = "B"; $this->${'$myvar'} = "C"; echo 'this->myvar: '.$this->myvar."\n"; echo 'this->$myvar: '.$this->$myvar."\n"; echo 'this->${\'$myvar\'}: '.$this->${'$myvar'}."\n"; } } $obj = new weird;

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)
8.3.60.0040.01116.63
8.3.50.0130.00521.10
8.3.40.0150.00419.02
8.3.30.0090.00618.68
8.3.20.0000.00820.27
8.3.10.0000.00821.73
8.3.00.0060.00323.56
8.2.180.0070.00718.29
8.2.170.0150.00622.96
8.2.160.0030.01020.39
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0080.00019.52
8.2.120.0040.00426.35
8.2.110.0060.00322.25
8.2.100.0090.00318.04
8.2.90.0040.00419.02
8.2.80.0090.00017.97
8.2.70.0030.00617.50
8.2.60.0050.00318.05
8.2.50.0000.00818.07
8.2.40.0040.00422.50
8.2.30.0000.00719.31
8.2.20.0030.00517.83
8.2.10.0080.00418.02
8.2.00.0040.00418.24
8.1.280.0100.00625.92
8.1.270.0120.00623.96
8.1.260.0080.00028.09
8.1.250.0050.00328.09
8.1.240.0030.00622.05
8.1.230.0040.00719.16
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0060.00317.25
8.1.190.0040.00417.35
8.1.180.0080.00018.10
8.1.170.0040.00418.59
8.1.160.0040.00420.63
8.1.150.0070.00018.84
8.1.140.0090.00619.59
8.1.130.0040.00417.71
8.1.120.0000.00717.40
8.1.110.0030.00517.46
8.1.100.0040.00417.35
8.1.90.0040.00417.48
8.1.80.0040.00417.49
8.1.70.0040.00417.48
8.1.60.0040.00417.50
8.1.50.0030.00617.43
8.1.40.0060.00317.35
8.1.30.0090.00017.55
8.1.20.0080.00017.63
8.1.10.0040.00417.58
8.1.00.0060.00317.40
8.0.300.0030.00618.77
8.0.290.0070.00016.75
8.0.280.0000.00718.44
8.0.270.0030.00317.19
8.0.260.0030.00317.23
8.0.250.0040.00417.08
8.0.240.0050.00216.89
8.0.230.0050.00316.85
8.0.220.0040.00416.95
8.0.210.0030.00516.96
8.0.200.0070.00017.02
8.0.190.0070.00016.97
8.0.180.0040.00416.87
8.0.170.0050.00317.00
8.0.160.0040.00416.99
8.0.150.0050.00217.00
8.0.140.0040.00416.83
8.0.130.0030.00313.30
8.0.120.0030.00616.93
8.0.110.0070.00016.84
8.0.100.0000.00717.06
8.0.90.0070.00016.94
8.0.80.0080.01216.87
8.0.70.0000.00816.85
8.0.60.0070.00016.98
8.0.50.0040.00417.04
8.0.30.0070.01017.05
8.0.20.0130.00717.40
8.0.10.0000.00717.14
8.0.00.0110.01016.77
7.4.330.0000.00516.76
7.4.320.0040.00416.37
7.4.300.0030.00316.50
7.4.290.0070.00016.50
7.4.280.0030.00616.40
7.4.270.0030.00316.57
7.4.260.0070.00016.35
7.4.250.0040.00416.47
7.4.240.0030.00316.52
7.4.230.0000.00716.70
7.4.220.0110.00616.63
7.4.210.0060.00916.45
7.4.200.0080.00016.70
7.4.160.0090.00616.52
7.4.150.0140.00417.40
7.4.140.0080.00917.86
7.4.130.0070.00916.53
7.4.120.0110.00616.54
7.4.110.0060.01316.66
7.4.100.0070.01016.51
7.4.90.0150.00316.36
7.4.80.0000.01819.39
7.4.70.0070.01016.33
7.4.60.0070.01016.47
7.4.50.0040.01116.41
7.4.40.0100.01016.79
7.4.30.0090.00916.42
7.4.00.0110.00515.00
7.3.330.0030.00313.39
7.3.320.0050.00013.47
7.3.310.0000.00716.33
7.3.300.0060.00016.45
7.3.290.0040.00416.29
7.3.280.0060.01016.41
7.3.270.0170.00017.40
7.3.260.0100.01316.48
7.3.250.0100.00916.53
7.3.240.0110.00816.50
7.3.230.0070.01016.46
7.3.210.0180.00016.60
7.3.200.0130.00919.39
7.3.190.0120.00616.32
7.3.180.0000.01516.36
7.3.170.0130.00616.42
7.3.160.0030.01316.63
7.3.120.0110.00414.79
7.3.110.0090.00514.91
7.3.100.0100.00714.63
7.3.90.0100.00414.87
7.3.80.0040.00714.90
7.3.70.0040.00714.88
7.3.60.0070.00714.96
7.3.50.0060.00914.72
7.3.40.0060.00314.71
7.3.30.0120.00314.64
7.3.20.0090.00616.75
7.3.10.0050.00816.85
7.3.00.0030.01016.58
7.2.330.0070.01116.45
7.2.320.0250.00016.48
7.2.310.0140.00316.69
7.2.300.0080.00916.83
7.2.290.0000.01716.45
7.2.250.0090.00915.28
7.2.240.0040.01414.68
7.2.230.0040.00714.94
7.2.220.0060.00614.92
7.2.210.0030.00715.31
7.2.200.0080.00815.16
7.2.190.0040.01114.85
7.2.180.0040.01115.09
7.2.170.0110.00315.29
7.2.80.0060.00916.78
7.2.60.0040.01117.20
7.2.00.0060.01019.53
7.1.330.0000.01515.71
7.1.320.0030.01415.97
7.1.310.0040.01115.61
7.1.300.0120.00315.81
7.1.290.0040.01215.74
7.1.280.0000.00915.81
7.1.270.0040.00815.85
7.1.260.0080.00415.87
7.1.200.0110.00415.60
7.1.100.0030.01018.13
7.1.70.0050.00517.20
7.1.60.0100.01619.27
7.1.50.0040.01116.99
7.1.00.0070.07322.31
7.0.200.0060.00316.72
7.0.60.0200.07321.77
7.0.50.0000.04717.86
7.0.40.0070.06720.29
7.0.30.0200.03720.30
7.0.20.0200.03720.12
7.0.10.0130.07020.16
7.0.00.0100.06720.32
5.6.280.0030.03021.12
5.6.210.0170.07020.47
5.6.200.0000.08718.15
5.6.190.0030.08320.39
5.6.180.0430.07320.46
5.6.170.0300.07720.46
5.6.160.0030.05020.55
5.6.150.0100.07718.18
5.6.140.0030.06318.21
5.6.130.0070.06718.24
5.6.120.0100.08320.98
5.6.110.0070.08321.00
5.6.100.0030.08721.13
5.6.90.0070.05721.11
5.6.80.0100.08020.41
5.5.350.0030.09020.44
5.5.340.0100.04018.05
5.5.330.0070.08320.41
5.5.320.0230.08320.41
5.5.310.0400.07320.33
5.5.300.0030.04017.98
5.5.290.0030.08717.96
5.5.280.0100.08020.85
5.5.270.0030.09020.95
5.5.260.0100.08020.87
5.5.250.0070.08020.54
5.5.240.0100.04020.25

preferences:
68.57 ms | 401 KiB | 5 Q