3v4l.org

run code in 300+ PHP versions simultaneously
<?php class P { static $a=9; public $az=9; function __get($var) { return self::$var; } function __isset($var) { return true; } } $P=new P; var_dump(isset($P->az));

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)
8.3.60.0110.00418.56
8.3.50.0050.01621.89
8.3.40.0140.01118.70
8.3.30.0030.01018.92
8.3.20.0040.00420.29
8.3.10.0040.00423.39
8.3.00.0040.00419.01
8.2.180.0120.00318.16
8.2.170.0070.00722.96
8.2.160.0070.00720.57
8.2.150.0030.00524.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0070.00022.08
8.2.110.0030.00622.16
8.2.100.0040.00717.59
8.2.90.0090.00019.25
8.2.80.0000.00817.97
8.2.70.0060.00317.50
8.2.60.0080.00017.93
8.2.50.0000.00818.07
8.2.40.0050.00319.53
8.2.30.0080.00017.91
8.2.20.0020.00517.50
8.2.10.0040.00418.06
8.2.00.0000.00717.58
8.1.280.0040.01125.92
8.1.270.0050.00323.88
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0060.00323.84
8.1.230.0050.00519.14
8.1.220.0040.00417.74
8.1.210.0000.00918.77
8.1.200.0030.00717.23
8.1.190.0060.00317.10
8.1.180.0060.00318.10
8.1.170.0040.00418.51
8.1.160.0070.00021.88
8.1.150.0070.00018.58
8.1.140.0030.00617.31
8.1.130.0030.00317.88
8.1.120.0040.00417.43
8.1.110.0000.00817.41
8.1.100.0030.00317.37
8.1.90.0030.00517.46
8.1.80.0040.00417.29
8.1.70.0030.00317.25
8.1.60.0090.00317.46
8.1.50.0000.00817.41
8.1.40.0000.00717.42
8.1.30.0040.00417.36
8.1.20.0090.00017.51
8.1.10.0040.00417.60
8.1.00.0030.00517.43
8.0.300.0040.00418.77
8.0.290.0040.00417.05
8.0.280.0030.00318.45
8.0.270.0030.00317.25
8.0.260.0030.00317.09
8.0.250.0030.00316.75
8.0.240.0070.00416.89
8.0.230.0030.00316.85
8.0.220.0000.00816.86
8.0.210.0030.00616.72
8.0.200.0000.00616.91
8.0.190.0000.00716.89
8.0.180.0070.00316.81
8.0.170.0040.00416.88
8.0.160.0050.00216.82
8.0.150.0040.00416.80
8.0.140.0040.00416.85
8.0.130.0060.00013.30
8.0.120.0000.00816.79
8.0.110.0040.00416.80
8.0.100.0070.00016.72
8.0.90.0050.00216.77
8.0.80.0070.00716.82
8.0.70.0040.00416.90
8.0.60.0000.01016.62
8.0.50.0030.00316.77
8.0.30.0140.00816.97
8.0.20.0110.00717.40
8.0.10.0070.00017.01
8.0.00.0090.00816.90
7.4.330.0000.00515.00
7.4.320.0000.00716.47
7.4.300.0040.00416.50
7.4.290.0000.00716.40
7.4.280.0000.00716.59
7.4.270.0000.00716.38
7.4.260.0000.00716.36
7.4.250.0040.00416.41
7.4.240.0000.00716.38
7.4.230.0000.00716.63
7.4.220.0070.01116.50
7.4.210.0070.00916.56
7.4.200.0040.00416.55
7.4.190.0030.00316.63
7.4.160.0150.00416.41
7.4.150.0100.00717.40
7.4.140.0080.01117.86
7.4.130.0110.00616.46
7.4.120.0080.00816.33
7.4.110.0100.00716.30
7.4.100.0200.00316.44
7.4.90.0150.00316.38
7.4.80.0130.01019.39
7.4.70.0100.00716.34
7.4.60.0100.00716.27
7.4.50.0000.00816.48
7.4.40.0100.00716.29
7.4.30.0130.00316.43
7.4.00.0030.01015.13
7.3.330.0030.00313.02
7.3.320.0050.00013.16
7.3.310.0000.00716.16
7.3.300.0030.00316.02
7.3.290.0090.01216.15
7.3.280.0070.01016.18
7.3.270.0040.01317.40
7.3.260.0060.01516.36
7.3.250.0170.00016.29
7.3.240.0110.00616.10
7.3.230.0000.01516.39
7.3.210.0070.01016.24
7.3.200.0150.00319.39
7.3.190.0060.01216.32
7.3.180.0080.00816.20
7.3.170.0150.00716.27
7.3.160.0070.01416.26
7.3.120.0060.00914.80
7.2.330.0090.00916.76
7.2.320.0040.01516.56
7.2.310.0140.00316.61
7.2.300.0090.00916.58
7.2.290.0070.01416.71
7.2.00.0000.00919.53
7.1.100.0000.01117.80
7.1.70.0000.00717.11
7.1.60.0090.00619.46
7.1.50.0130.01016.88
7.1.00.0070.06722.48
7.0.200.0030.00316.64
7.0.140.0030.07322.15
7.0.70.0070.08720.00
7.0.60.0070.08720.07
7.0.50.0130.07720.39
7.0.40.0130.07320.13
7.0.30.0030.09020.00
7.0.20.0100.08319.96
7.0.10.0070.05720.04
7.0.00.0070.06720.16
5.6.280.0070.07021.03
5.6.220.0070.08020.62
5.6.210.0070.09020.56
5.6.200.0170.05321.00
5.6.190.0130.06321.05
5.6.180.0070.07021.06
5.6.170.0070.04721.08
5.6.160.0170.08021.05
5.6.150.0070.06721.08
5.6.140.0130.07721.11
5.6.130.0070.08020.96
5.6.120.0170.07321.02
5.6.110.0030.06321.11
5.6.100.0200.07721.03
5.6.90.0030.07721.00
5.6.80.0030.06020.50
5.6.70.0100.08020.34
5.6.60.0100.06320.34
5.6.50.0130.08020.43
5.6.40.0030.09020.42
5.6.30.0100.07720.38
5.6.20.0100.05720.41
5.6.10.0170.07320.31
5.6.00.0030.06320.45
5.5.360.0070.07020.35
5.5.350.0100.06320.38
5.5.340.0130.08020.89
5.5.330.0030.09020.89
5.5.320.0100.08320.77
5.5.310.0070.07320.89
5.5.300.0030.06720.77
5.5.290.0100.04720.90
5.5.280.0070.08320.78
5.5.270.0030.09320.91
5.5.260.0000.07020.88
5.5.250.0100.08020.44
5.5.240.0000.08320.31
5.5.230.0100.07320.27
5.5.220.0070.08020.21
5.5.210.0070.08020.14
5.5.200.0100.06020.19
5.5.190.0130.05720.11
5.5.180.0130.07720.28
5.5.160.0130.05020.27
5.5.150.0100.08020.19
5.5.140.0030.05020.23
5.5.130.0030.08320.11
5.5.120.0070.06720.21
5.5.110.0100.05020.24
5.5.100.0030.08720.16
5.5.90.0000.08020.01
5.5.80.0070.04320.18
5.5.70.0170.07320.04
5.5.60.0070.08320.15
5.5.50.0070.06320.04
5.5.40.0100.06020.06
5.5.30.0030.04720.03
5.5.20.0000.09020.01
5.5.10.0030.08719.98
5.5.00.0100.07319.97
5.4.450.0000.08719.38
5.4.440.0070.08719.50
5.4.430.0100.03719.37
5.4.420.0100.07019.37
5.4.410.0070.07719.34
5.4.400.0170.06019.09
5.4.390.0030.06319.25
5.4.380.0070.08019.12
5.4.370.0170.06719.04
5.4.360.0070.06719.05
5.4.350.0030.06318.89
5.4.340.0030.05319.16
5.4.320.0070.04719.04
5.4.310.0000.08019.22
5.4.300.0100.07719.08
5.4.290.0170.07018.84
5.4.280.0130.07319.23
5.4.270.0030.08319.18
5.4.260.0070.07319.20
5.4.250.0070.08319.12
5.4.240.0070.07719.17
5.4.230.0070.08319.02
5.4.220.0100.07719.15
5.4.210.0070.08018.84
5.4.200.0100.07319.02
5.4.190.0100.08019.05
5.4.180.0070.04019.15
5.4.170.0000.07319.15
5.4.160.0030.08018.88
5.4.150.0100.07718.83
5.4.140.0070.04716.34
5.4.130.0130.06316.42
5.4.120.0070.05016.45
5.4.110.0100.04716.32
5.4.100.0070.08016.32
5.4.90.0030.08016.48
5.4.80.0070.07716.45
5.4.70.0070.07016.30
5.4.60.0070.07716.33
5.4.50.0070.06016.34
5.4.40.0030.07716.53
5.4.30.0070.04716.45
5.4.20.0130.03016.39
5.4.10.0130.03016.41
5.4.00.0070.05715.90
5.3.290.0100.07714.79
5.3.280.0030.09014.57
5.3.270.0070.05714.75
5.3.260.0130.04714.54
5.3.250.0030.08314.61
5.3.240.0070.07714.57
5.3.230.0130.07014.65
5.3.220.0070.05314.59
5.3.210.0130.07014.49
5.3.200.0070.07714.58
5.3.190.0100.07014.54
5.3.180.0100.06014.68
5.3.170.0070.07714.49
5.3.160.0200.05314.65
5.3.150.0100.05714.49
5.3.140.0070.05014.49
5.3.130.0070.05014.52
5.3.120.0070.06314.60
5.3.110.0100.04714.52
5.3.100.0030.04714.00
5.3.90.0030.04013.98
5.3.80.0030.04714.14
5.3.70.0070.08014.16
5.3.60.0030.07314.12
5.3.50.0070.06713.96
5.3.40.0070.06313.85
5.3.30.0030.07713.92
5.3.20.0070.05313.75
5.3.10.0030.06013.56
5.3.00.0130.05013.70
5.2.170.0100.06011.27
5.2.160.0070.06011.20
5.2.150.0100.06011.18
5.2.140.0030.06311.25
5.2.130.0070.06011.21
5.2.120.0030.06311.12
5.2.110.0070.06011.16
5.2.100.0030.05010.98
5.2.90.0100.05711.17
5.2.80.0130.05011.10
5.2.70.0030.06011.16
5.2.60.0030.06311.10
5.2.50.0070.05010.94
5.2.40.0070.06311.00
5.2.30.0030.07010.93
5.2.20.0030.06710.93
5.2.10.0030.06010.93
5.2.00.0000.04310.93
5.1.60.0000.05710.93
5.1.50.0100.05310.93
5.1.40.0070.05010.93
5.1.30.0030.06010.93
5.1.20.0070.04710.93
5.1.10.0070.05310.93
5.1.00.0000.06010.93
5.0.50.0000.04710.93
5.0.40.0030.04710.93
5.0.30.0030.06710.93
5.0.20.0030.04310.93
5.0.10.0070.04010.93
5.0.00.0070.06310.93
4.4.90.0070.02710.93
4.4.80.0000.03310.93
4.4.70.0030.02010.93
4.4.60.0000.03710.93
4.4.50.0000.04010.93
4.4.40.0070.05010.93
4.4.30.0030.03310.93
4.4.20.0000.03310.93
4.4.10.0030.03710.93
4.4.00.0030.04010.93
4.3.110.0000.04010.93
4.3.100.0030.03010.93
4.3.90.0000.04010.93
4.3.80.0000.05310.93
4.3.70.0070.03010.93
4.3.60.0030.03310.93
4.3.50.0070.03010.93
4.3.40.0070.04010.93
4.3.30.0030.02710.93
4.3.20.0000.03010.93
4.3.10.0000.02310.93
4.3.00.0000.03710.93

preferences:
60.38 ms | 401 KiB | 5 Q