3v4l.org

run code in 300+ PHP versions simultaneously
<?php class foo { function __construct() { $this->a = "hello"; $this->b = "hi"; $val = "a"; echo $this->{$val}; // outputs "hello" $val = "b"; echo $this->{$val}; // outputs "hi" } } $foo = new foo();

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)
8.3.60.0140.00716.88
8.3.50.0100.01217.46
8.3.40.0120.00318.94
8.3.30.0100.01018.54
8.3.20.0090.00918.95
8.3.10.0100.00520.70
8.3.00.0100.00017.46
8.2.180.0070.00716.50
8.2.170.0190.00322.96
8.2.160.0110.00321.02
8.2.150.0090.00624.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0040.00419.88
8.2.110.0060.00321.06
8.2.100.0090.00317.88
8.2.90.0030.00519.30
8.2.80.0030.00717.93
8.2.70.0030.00617.50
8.2.60.0000.00917.93
8.2.50.0080.00018.07
8.2.40.0030.00618.09
8.2.30.0050.00217.96
8.2.20.0000.00717.52
8.2.10.0040.00417.79
8.2.00.0000.00817.67
8.1.280.0070.01025.92
8.1.270.0040.00424.66
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0040.01820.77
8.1.230.0040.00820.89
8.1.220.0040.00417.76
8.1.210.0030.00618.91
8.1.200.0040.00417.35
8.1.190.0000.00717.65
8.1.180.0060.00318.10
8.1.170.0000.00718.71
8.1.160.0050.00218.80
8.1.150.0040.00418.66
8.1.140.0080.00417.36
8.1.130.0030.00317.68
8.1.120.0000.00717.36
8.1.110.0040.00417.34
8.1.100.0070.00017.38
8.1.90.0070.00017.41
8.1.80.0040.00417.40
8.1.70.0050.00217.48
8.1.60.0030.00617.50
8.1.50.0040.00417.45
8.1.40.0040.00417.46
8.1.30.0040.00417.67
8.1.20.0070.00417.60
8.1.10.0000.00817.43
8.1.00.0000.00917.51
8.0.300.0050.00219.88
8.0.290.0040.00416.75
8.0.280.0000.00718.48
8.0.270.0050.00217.15
8.0.260.0030.00516.80
8.0.250.0030.00416.91
8.0.240.0000.00916.97
8.0.230.0030.00316.82
8.0.220.0000.00616.89
8.0.210.0050.00216.81
8.0.200.0030.00716.94
8.0.190.0040.00417.02
8.0.180.0070.00316.77
8.0.170.0080.00016.89
8.0.160.0050.00216.84
8.0.150.0000.00716.86
8.0.140.0030.00616.84
8.0.130.0050.00213.30
8.0.120.0040.00416.86
8.0.110.0040.00416.84
8.0.100.0040.00416.89
8.0.90.0000.00716.92
8.0.80.0110.00416.80
8.0.70.0040.00416.93
8.0.60.0000.00716.73
8.0.50.0040.00416.70
8.0.30.0100.00916.82
8.0.20.0140.00517.08
8.0.10.0070.00017.10
8.0.00.0130.01016.61
7.4.330.0020.00212.93
7.4.320.0030.00316.55
7.4.300.0040.00416.63
7.4.290.0000.00716.57
7.4.280.0070.00016.63
7.4.270.0000.00716.54
7.4.260.0000.00513.30
7.4.250.0040.00416.49
7.4.240.0060.00316.39
7.4.230.0080.00016.59
7.4.220.0060.01316.53
7.4.210.0060.01116.54
7.4.200.0000.00816.60
7.4.190.0070.00016.35
7.4.160.0080.00816.38
7.4.150.0030.01416.37
7.4.140.0110.00916.54
7.4.130.0060.01116.40
7.4.120.0090.01016.32
7.4.110.0120.00416.70
7.4.100.0100.00616.45
7.4.90.0080.00816.43
7.4.80.0120.00916.56
7.4.70.0060.01016.51
7.4.60.0060.01016.25
7.4.50.0060.00016.48
7.4.40.0110.00416.32
7.4.30.0090.00616.46
7.4.00.0030.01414.84
7.3.330.0000.00613.17
7.3.320.0030.00313.40
7.3.310.0000.00716.46
7.3.300.0030.00516.20
7.3.290.0060.00816.34
7.3.280.0070.00916.29
7.3.270.0100.00716.34
7.3.260.0110.00916.47
7.3.250.0110.00816.67
7.3.240.0030.01316.53
7.3.230.0110.00716.60
7.3.210.0060.01316.68
7.3.200.0030.01519.39
7.3.190.0070.01016.47
7.3.180.0060.00916.63
7.3.170.0140.00416.64
7.3.160.0000.01616.67
7.3.120.0050.01114.97
7.3.110.0130.00414.57
7.3.100.0110.00315.04
7.3.90.0060.00614.78
7.3.80.0070.01114.75
7.3.70.0140.00014.79
7.3.60.0040.01214.76
7.3.50.0090.00614.79
7.3.40.0030.01214.73
7.3.30.0040.00414.83
7.3.20.0030.01216.52
7.3.10.0110.00716.58
7.3.00.0060.00816.33
7.2.330.0070.01016.82
7.2.320.0040.01716.56
7.2.310.0170.00616.77
7.2.300.0130.01016.55
7.2.290.0130.00316.64
7.2.250.0030.01315.29
7.2.240.0040.01915.04
7.2.230.0040.00714.96
7.2.220.0070.00414.95
7.2.210.0070.01015.27
7.2.200.0060.00914.80
7.2.190.0130.00315.27
7.2.180.0090.00614.82
7.2.170.0070.01014.99
7.2.130.0110.01116.56
7.2.120.0180.00416.86
7.2.110.0130.01016.70
7.2.100.0100.00916.58
7.2.90.0130.00616.63
7.2.80.0040.01216.48
7.2.70.0080.00816.81
7.2.60.0060.00916.43
7.2.50.0030.00916.80
7.2.40.0060.00916.46
7.2.30.0070.00416.66
7.2.20.0120.00616.37
7.2.10.0060.00916.54
7.2.00.0050.00918.34
7.1.330.0060.01215.88
7.1.320.0140.00015.73
7.1.310.0090.00615.71
7.1.300.0110.00615.75
7.1.290.0040.01215.78
7.1.280.0030.00715.83
7.1.270.0070.00715.67
7.1.260.0030.01015.85
7.1.250.0070.00715.28
7.1.100.0030.01017.73
7.1.70.0030.00317.18
7.1.60.0100.01419.40
7.1.50.0090.01216.75
7.1.00.0030.07722.32
7.0.200.0030.00316.82
7.0.140.0100.06321.97
7.0.120.0030.05322.03
7.0.60.0070.05719.95
7.0.50.0070.08017.88
7.0.40.0070.08720.13
7.0.30.0230.04020.43
7.0.20.0300.05320.07
7.0.10.0300.08020.16
7.0.00.0100.07320.32
5.6.280.0070.07021.07
5.6.210.0130.04320.67
5.6.200.0070.06718.15
5.6.190.0100.04020.50
5.6.180.4030.05020.45
5.6.170.0330.06320.55
5.6.160.0130.04720.46
5.6.150.0100.03318.29
5.6.140.0070.04018.14
5.6.130.0000.05018.23
5.6.120.0000.04321.00
5.6.110.0070.07321.01
5.6.100.0070.08321.12
5.6.90.0000.04720.98
5.6.80.0070.07720.50
5.6.70.0270.07320.38
5.5.350.0200.07720.44
5.5.340.0070.04018.09
5.5.330.0000.04320.41
5.5.320.0470.04720.43
5.5.310.0230.05320.26
5.5.300.0070.04317.99
5.5.290.0100.06017.98
5.5.280.0070.06720.88
5.5.270.0030.04720.79
5.5.260.0070.05320.77
5.5.250.0170.07020.61
5.5.240.0070.06720.16
5.4.450.0030.04319.30
5.4.440.0000.05719.44
5.4.430.0200.06719.21
5.4.420.0100.07019.52
5.4.410.0130.07019.07
5.4.400.0070.07719.13
5.4.390.0170.06719.16
5.4.380.0000.04318.86
5.4.370.0070.05719.16
5.4.360.0100.07719.12
5.4.350.0100.06719.14
5.4.340.0070.07018.93
5.4.320.0070.08019.20
5.4.310.0200.07019.11
5.4.300.0130.04719.02
5.4.290.0130.03019.14
5.4.280.0200.06019.24
5.4.270.0130.06319.20
5.4.260.0130.06319.11
5.4.250.0130.06718.89
5.4.240.0070.03719.14
5.4.230.0030.04019.25
5.4.220.0100.06719.14
5.4.210.0070.07319.23
5.4.200.0070.05019.15
5.4.190.0070.04019.13
5.4.180.0030.07319.23
5.4.170.0130.07018.91
5.4.160.0030.04018.83
5.4.150.0030.06718.83
5.4.140.0030.04016.38
5.4.130.0000.05016.49
5.4.120.0070.04316.53
5.4.110.0030.05016.46
5.4.100.0070.07316.27
5.4.90.0130.06716.44
5.4.80.0100.05716.43
5.4.70.0000.06316.44
5.4.60.0130.04716.41
5.4.50.0100.05316.40
5.4.40.0130.04316.45
5.4.30.0130.06016.44
5.4.20.0070.07016.36
5.4.10.0070.06716.38
5.4.00.0030.06715.82
5.3.290.0030.07014.71
5.3.280.0070.07314.48
5.3.270.0170.07314.65
5.3.260.0130.07014.63
5.3.250.0070.05314.64
5.3.240.0070.03714.67
5.3.230.0070.07714.59
5.3.220.0030.06314.54
5.3.210.0070.08014.57
5.3.200.0070.03714.55
5.3.190.0100.08014.56
5.3.180.0070.04714.60
5.3.170.0030.04314.55
5.3.160.0170.03714.48
5.3.150.0070.08014.59
5.3.140.0070.05314.62
5.3.130.0000.07014.70
5.3.120.0070.04014.54
5.3.110.0100.04314.55
5.3.100.0070.06314.08
5.3.90.0000.06313.90
5.3.80.0070.03714.03
5.3.70.0130.05714.18
5.3.60.0130.06714.15
5.3.50.0030.06313.95
5.3.40.0170.06713.87
5.3.30.0100.03313.89
5.3.20.0000.04013.76
5.3.10.0070.04313.62
5.3.00.0030.07713.64
5.2.170.0000.03311.18
5.2.160.0030.02711.18
5.2.150.0030.05311.17
5.2.140.0000.05711.15
5.2.130.0000.05711.16
5.2.120.0070.04311.15
5.2.110.0030.03011.15
5.2.100.0070.04311.19
5.2.90.0070.06311.14
5.2.80.0070.04711.01
5.2.70.0070.03311.10
5.2.60.0070.04711.00
5.2.50.0030.07010.98
5.2.40.0000.05011.07
5.2.30.0030.03310.91
5.2.20.0070.05010.95
5.2.10.0070.05310.90
5.2.00.0000.04010.76
5.1.60.0030.0539.90
5.1.50.0030.03710.00
5.1.40.0030.05010.13
5.1.30.0030.05010.29
5.1.20.0100.04010.36
5.1.10.0070.05310.21
5.1.00.0030.05710.04
5.0.50.0070.0378.51
5.0.40.0070.0208.43
5.0.30.0000.0508.42
5.0.20.0070.0278.42
5.0.10.0030.0438.42
5.0.00.0000.0678.42
4.4.90.0000.0238.42
4.4.80.0030.0178.42
4.4.70.0000.0208.42
4.4.60.0000.0238.42
4.4.50.0100.0108.42
4.4.40.0030.0438.42
4.4.30.0030.0308.42
4.4.20.0030.0338.42
4.4.10.0030.0338.42
4.4.00.0030.0508.42
4.3.110.0070.0208.42
4.3.100.0030.0308.42
4.3.90.0000.0208.42
4.3.80.0000.0378.42
4.3.70.0000.0378.42
4.3.60.0030.0308.42
4.3.50.0000.0278.42
4.3.40.0030.0338.42
4.3.30.0000.0178.42
4.3.20.0000.0378.42
4.3.10.0030.0138.42
4.3.00.0030.0308.42

preferences:
43.62 ms | 401 KiB | 5 Q