3v4l.org

run code in 300+ PHP versions simultaneously
<?php class a { protected $var = 2; } $a = (array)new a; $k = '\0*\0var'; var_dump($a[$k]);

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)
8.3.40.0140.00418.80
8.3.30.0060.00918.46
8.3.20.0060.00318.44
8.3.10.0080.00018.51
8.3.00.0060.00319.26
8.2.170.0040.01122.96
8.2.160.0130.00319.01
8.2.150.0030.00624.18
8.2.140.0070.00724.66
8.2.130.0080.00026.16
8.2.120.0070.00319.77
8.2.110.0060.00321.98
8.2.100.0120.00017.91
8.2.90.0050.00317.88
8.2.80.0000.00818.92
8.2.70.0050.00317.63
8.2.60.0050.00317.50
8.2.50.0040.00417.55
8.2.40.0050.00319.48
8.2.30.0040.00717.64
8.2.20.0100.00017.65
8.2.10.0000.00717.74
8.2.00.0000.00717.73
8.1.270.0040.00423.99
8.1.260.0040.01126.35
8.1.250.0040.00428.09
8.1.240.0030.00623.96
8.1.230.0110.00019.01
8.1.220.0000.00817.74
8.1.210.0060.00318.77
8.1.200.0000.00817.35
8.1.190.0040.00417.10
8.1.180.0040.00418.10
8.1.170.0050.00317.62
8.1.160.0000.00718.91
8.1.150.0000.00718.57
8.1.140.0040.00417.51
8.1.130.0030.00317.30
8.1.120.0050.00217.41
8.1.110.0000.00717.28
8.1.100.0000.00717.42
8.1.90.0050.00217.41
8.1.80.0030.00317.41
8.1.70.0000.00717.44
8.1.60.0080.00017.56
8.1.50.0020.00517.52
8.1.40.0000.00717.39
8.1.30.0030.00617.61
8.1.20.0000.01017.57
8.1.10.0040.00417.58
8.1.00.0040.00417.34
8.0.300.0090.00018.77
8.0.290.0050.00316.63
8.0.280.0000.00818.57
8.0.270.0000.00717.19
8.0.260.0030.00316.92
8.0.250.0030.00316.84
8.0.240.0030.00616.97
8.0.230.0000.00816.98
8.0.220.0060.00316.76
8.0.210.0000.00716.82
8.0.200.0000.00717.01
8.0.190.0020.00517.01
8.0.180.0000.01116.90
8.0.170.0040.00416.87
8.0.160.0000.00816.89
8.0.150.0000.00816.88
8.0.140.0040.00416.85
8.0.130.0000.00713.41
8.0.120.0090.00016.75
8.0.110.0050.00316.86
8.0.100.0050.00216.92
8.0.90.0050.00216.95
8.0.80.0030.01416.92
8.0.70.0040.00416.83
8.0.60.0060.00316.71
8.0.50.0040.00416.82
8.0.30.0100.00716.87
8.0.20.0100.00817.01
8.0.10.0030.00517.10
8.0.00.0140.00816.80
7.4.330.0060.00012.98
7.4.320.0060.00016.61
7.4.300.0030.00316.49
7.4.290.0040.00416.50
7.4.280.0000.00716.50
7.4.270.0030.00316.49
7.4.260.0050.00013.18
7.4.250.0030.00616.59
7.4.240.0040.00416.48
7.4.230.0030.00416.34
7.4.220.0070.00816.56
7.4.210.0000.01816.58
7.4.200.0040.00416.68
7.4.190.0030.00616.43
7.4.160.0080.00816.50
7.4.150.0090.00916.52
7.4.140.0060.01217.86
7.4.130.0200.00316.67
7.4.120.0060.01516.38
7.4.110.0100.00716.34
7.4.100.0090.00616.50
7.4.90.0100.01316.48
7.4.80.0070.01019.39
7.4.70.0060.00916.57
7.4.60.0100.00716.50
7.4.50.0000.00516.29
7.4.40.0110.00316.58
7.4.30.0080.00816.50
7.4.00.0060.01114.90
7.3.330.0000.00613.13
7.3.320.0060.00013.25
7.3.310.0050.00216.32
7.3.300.0030.00316.26
7.3.290.0070.00916.31
7.3.280.0120.00316.22
7.3.270.0070.01716.32
7.3.260.0120.01216.37
7.3.240.0150.00716.32
7.3.230.0070.01016.28
7.3.210.0190.00316.37
7.3.200.0120.00416.57
7.3.190.0140.00316.40
7.3.180.0060.00916.49
7.3.170.0030.01616.62
7.3.160.0060.01016.29
7.3.120.0040.01414.82
7.3.110.0100.00714.80
7.3.100.0060.00614.85
7.3.90.0040.00714.77
7.3.80.0040.00415.04
7.3.70.0070.01014.75
7.3.60.0030.00914.89
7.3.50.0030.01014.86
7.3.40.0160.00314.68
7.3.30.0060.01014.73
7.3.20.0040.00816.38
7.3.10.0030.00916.77
7.3.00.0040.01116.66
7.2.330.0120.00916.66
7.2.320.0140.00416.70
7.2.310.0000.02316.61
7.2.300.0070.01016.35
7.2.290.0110.00716.55
7.2.250.0030.01715.09
7.2.240.0120.00614.81
7.2.230.0040.01115.13
7.2.220.0030.01114.77
7.2.210.0000.01215.02
7.2.200.0100.00314.90
7.2.190.0030.01414.99
7.2.180.0100.00615.02
7.2.170.0100.00715.02
7.2.00.0040.01419.07
7.1.330.0070.00715.72
7.1.320.0080.00815.76
7.1.310.0030.00716.01
7.1.300.0030.01015.75
7.1.290.0100.00715.63
7.1.280.0030.00915.86
7.1.270.0100.00715.79
7.1.260.0030.00615.99
7.1.100.0080.00417.91
7.1.70.0040.00417.32
7.1.60.0140.01019.21
7.1.50.0160.00816.91
7.1.00.0030.06322.31
7.0.200.0050.00216.88
7.0.140.0000.07722.00
7.0.120.0030.07322.17
7.0.60.0200.07319.98
7.0.50.0070.08317.85
7.0.40.0030.07720.25
7.0.30.0300.04720.23
7.0.20.0270.07020.23
7.0.10.0270.07320.33
7.0.00.0170.08020.09
5.6.280.0130.06320.82
5.6.210.0100.05320.76
5.6.200.0100.08018.17
5.6.190.0070.04320.41
5.6.180.0300.07020.56
5.6.170.0400.07020.54
5.6.160.0030.04320.50
5.6.150.0000.04318.29
5.6.140.0070.08018.13
5.6.130.0000.06318.29
5.6.120.0070.06721.02
5.6.110.0030.08721.13
5.6.100.0130.03721.04
5.6.90.0030.04321.10
5.6.80.0130.05320.40
5.6.70.0330.03020.35
5.5.350.0270.07320.42
5.5.340.0130.04318.04
5.5.330.0070.04720.21
5.5.320.0000.04720.47
5.5.310.0100.04320.26
5.5.300.0070.08017.98
5.5.290.0100.08317.97
5.5.280.0100.05020.87
5.5.270.0070.05720.64
5.5.260.0070.07720.72
5.5.250.0100.07720.79
5.5.240.0100.08320.14
5.4.450.0000.04319.29
5.4.440.0070.03719.41
5.4.430.0030.03719.56
5.4.420.0000.05019.47
5.4.410.0000.04019.34
5.4.400.0070.04018.85
5.4.390.0000.07719.14
5.4.380.0070.03319.15
5.4.370.0030.04019.14
5.4.360.0100.04018.92
5.4.350.0030.07019.20
5.4.340.0100.08019.24
5.4.320.0030.05319.12
5.4.310.0070.05319.21
5.4.300.0000.05019.26
5.4.290.0100.07318.85
5.4.280.0130.07318.97
5.4.270.0200.06719.27
5.4.260.0070.04318.85
5.4.250.0300.04719.23
5.4.240.0130.07019.23
5.4.230.0030.07019.07
5.4.220.0030.08019.15
5.4.210.0000.06018.84
5.4.200.0100.03319.23
5.4.190.0070.06318.91
5.4.180.0070.07319.14
5.4.170.0070.06718.99
5.4.160.0130.05719.13
5.4.150.0000.08719.14
5.4.140.0070.06716.43
5.4.130.0170.05316.50
5.4.120.0030.07316.38
5.4.110.0070.06316.53
5.4.100.0030.03716.39
5.4.90.0070.04016.66
5.4.80.0030.03716.32
5.4.70.0100.03016.44
5.4.60.0070.03316.31
5.4.50.0070.03716.29
5.4.40.0030.05016.40
5.4.30.0070.05716.44
5.4.20.0100.07016.38
5.4.10.0130.03016.45
5.4.00.0070.04015.71
5.3.290.0100.06714.80
5.3.280.0070.03714.59
5.3.270.0070.04314.61
5.3.260.0030.07714.75
5.3.250.0100.03714.60
5.3.240.0200.02714.64
5.3.230.0200.03714.59
5.3.220.0100.07314.63
5.3.210.0130.05714.63
5.3.200.0030.05714.47
5.3.190.0100.03714.61
5.3.180.0070.03714.46
5.3.170.0000.04014.56
5.3.160.0000.06714.63
5.3.150.0070.04014.61
5.3.140.0170.02714.54
5.3.130.0030.05714.70
5.3.120.0070.04714.59
5.3.110.0070.04314.70
5.3.100.0100.03014.02
5.3.90.0070.05014.05
5.3.80.0070.03714.05
5.3.70.0030.05314.18
5.3.60.0030.03714.05
5.3.50.0030.03313.95
5.3.40.0030.07713.99
5.3.30.0070.07313.96
5.3.20.0070.05713.70
5.3.10.0030.06013.66
5.3.00.0170.04713.68
5.2.170.0000.03711.12
5.2.160.0070.02311.11
5.2.150.0030.03311.22
5.2.140.0030.04011.30
5.2.130.0030.06011.16
5.2.120.0000.06011.11
5.2.110.0070.02711.13
5.2.100.0030.04311.05
5.2.90.0070.06311.05
5.2.80.0000.04711.12
5.2.70.0000.04711.10
5.2.60.0100.05311.20
5.2.50.0070.06011.09
5.2.40.0000.03311.00
5.2.30.0030.06010.95
5.2.20.0030.06010.95
5.2.10.0030.06310.91
5.2.00.0070.04310.70
5.1.60.0030.04710.05
5.1.50.0030.0409.90
5.1.40.0000.03010.02
5.1.30.0000.02710.49
5.1.20.0000.05010.30
5.1.10.0000.02710.03
5.1.00.0000.05010.11
5.0.50.0000.0208.60
5.0.40.0070.0408.46
5.0.30.0030.0338.38
5.0.20.0000.0238.17
5.0.10.0070.0138.12
5.0.00.0100.0608.16
4.4.90.0070.0137.69
4.4.80.0030.0137.69
4.4.70.0030.0337.69
4.4.60.0030.0277.69
4.4.50.0000.0237.69
4.4.40.0000.0507.69
4.4.30.0000.0377.69
4.4.20.0000.0177.69
4.4.10.0000.0177.69
4.4.00.0000.0477.69
4.3.110.0030.0177.69
4.3.100.0030.0137.69
4.3.90.0000.0177.69
4.3.80.0000.0377.69
4.3.70.0000.0407.69
4.3.60.0000.0337.69
4.3.50.0000.0207.69
4.3.40.0030.0477.69
4.3.30.0000.0177.69
4.3.20.0070.0107.69
4.3.10.0030.0137.69
4.3.00.0000.0137.69

preferences:
62.95 ms | 400 KiB | 5 Q