3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(strlen(pack("H*", "7061636b6167652e786d6c000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030303030363434003030303137353000303030313735300030303030303231373036370031323030303335343330300030313234353720003000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000757374617220200064657269636b000000000000000000000000000000000000000000000000000064657269636b0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000")));

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)
8.3.60.0140.00716.38
8.3.50.0130.00617.28
8.3.40.0040.01118.60
8.3.30.0060.01218.71
8.3.20.0040.00418.53
8.3.10.0000.00820.45
8.3.00.0030.00617.50
8.2.180.0150.00616.32
8.2.170.0140.00722.96
8.2.160.0130.00722.11
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0000.00819.53
8.2.110.0060.00321.06
8.2.100.0090.00317.72
8.2.90.0080.00019.09
8.2.80.0000.00717.97
8.2.70.0040.00417.25
8.2.60.0030.00517.68
8.2.50.0050.00318.07
8.2.40.0040.00418.09
8.2.30.0000.00717.84
8.2.20.0030.00517.40
8.2.10.0050.00317.54
8.2.00.0040.00417.55
8.1.280.0110.00425.92
8.1.270.0070.00023.99
8.1.260.0030.00626.35
8.1.250.0040.00428.09
8.1.240.0040.00420.80
8.1.230.0090.00320.73
8.1.220.0080.00018.77
8.1.210.0060.00318.92
8.1.200.0070.00317.22
8.1.190.0000.00817.27
8.1.180.0040.00418.10
8.1.170.0060.00318.77
8.1.160.0000.00718.68
8.1.150.0060.00318.51
8.1.140.0070.00017.36
8.1.130.0030.00317.74
8.1.120.0040.00417.22
8.1.110.0040.00417.34
8.1.100.0070.00017.23
8.1.90.0040.00417.33
8.1.80.0000.00717.33
8.1.70.0030.00517.33
8.1.60.0030.00517.40
8.1.50.0070.00017.32
8.1.40.0000.00717.25
8.1.30.0040.00417.55
8.1.20.0040.00417.52
8.1.10.0040.00417.40
8.1.00.0040.00417.30
8.0.300.0040.00419.77
8.0.290.0040.00416.58
8.0.280.0030.00318.32
8.0.270.0000.00817.02
8.0.260.0000.00716.70
8.0.250.0070.00016.80
8.0.240.0050.00516.76
8.0.230.0070.00016.70
8.0.220.0030.00316.74
8.0.210.0030.00316.71
8.0.200.0000.00616.84
8.0.190.0030.00516.79
8.0.180.0030.00316.73
8.0.170.0040.00416.76
8.0.160.0070.00016.73
8.0.150.0030.00616.73
8.0.140.0060.00316.65
8.0.130.0060.00013.23
8.0.120.0000.00716.69
8.0.110.0020.00516.59
8.0.100.0030.00616.63
8.0.90.0040.00416.79
8.0.80.0120.00916.82
8.0.70.0080.00016.79
8.0.60.0020.00516.76
8.0.50.0000.00816.82
8.0.30.0100.00916.79
8.0.20.0150.00616.72
8.0.10.0000.00716.90
8.0.00.0080.01316.64
7.4.330.0050.00012.80
7.4.320.0000.00616.50
7.4.300.0030.00316.36
7.4.290.0030.00316.43
7.4.280.0030.00616.45
7.4.270.0070.00016.37
7.4.260.0000.00513.07
7.4.250.0000.00816.45
7.4.240.0030.00316.38
7.4.230.0030.00316.27
7.4.220.0070.01716.53
7.4.210.0070.00816.39
7.4.200.0040.00416.18
7.4.190.0030.00316.36
7.4.160.0080.01216.36
7.4.150.0070.01016.46
7.4.140.0100.01016.28
7.4.130.0050.01216.48
7.4.120.0120.00716.45
7.4.110.0100.00716.40
7.4.100.0090.00916.44
7.4.90.0090.00916.42
7.4.80.0070.01016.38
7.4.70.0120.00916.34
7.4.60.0070.01016.34
7.4.50.0000.00616.25
7.4.40.0050.00516.20
7.4.30.0070.01016.54
7.4.00.0030.01114.78
7.3.330.0000.00612.86
7.3.320.0030.00312.97
7.3.310.0070.00016.23
7.3.300.0000.00616.11
7.3.290.0070.00716.09
7.3.280.0130.00316.11
7.3.270.0100.00716.14
7.3.260.0060.01216.41
7.3.250.0110.01016.09
7.3.240.0120.00616.19
7.3.230.0160.00016.20
7.3.210.0120.00616.34
7.3.200.0070.01419.39
7.3.190.0140.00416.13
7.3.180.0070.01416.25
7.3.170.0150.00316.35
7.3.160.0040.01216.24
7.3.120.0080.00814.73
7.3.10.0000.01516.37
7.3.00.0070.00716.54
7.2.330.0100.00716.43
7.2.320.0130.00616.32
7.2.310.0060.01616.34
7.2.300.0030.01416.54
7.2.290.0130.00316.61
7.2.130.0040.00716.73
7.2.120.0080.00616.79
7.2.110.0090.00616.52
7.2.100.0080.00616.64
7.2.90.0060.00716.79
7.2.80.0040.00816.61
7.2.70.0110.00416.71
7.2.60.0040.01116.89
7.2.50.0070.01016.43
7.2.40.0030.01316.60
7.2.30.0090.00616.77
7.2.20.0060.01016.91
7.2.10.0070.00316.70
7.2.00.0070.00716.89
7.1.250.0030.00615.73
7.1.200.0080.00415.60
7.1.70.0080.00317.09
7.1.60.0030.02119.40
7.1.50.0090.01216.83
7.1.00.0000.06322.40
7.0.200.0360.00314.46
7.0.140.0000.07321.99
7.0.120.0030.07321.96
7.0.60.0130.08019.96
7.0.50.0100.03717.87
7.0.40.0000.05720.23
7.0.30.0200.04020.17
7.0.20.0270.06020.16
7.0.10.0070.04020.13
7.0.00.0100.07020.00
5.6.280.0000.07720.77
5.6.210.0000.04320.64
5.6.200.0070.04718.23
5.6.190.0030.05320.42
5.6.180.0230.04320.56
5.6.170.0130.04320.45
5.6.160.0030.04720.46
5.6.150.0070.08018.22
5.6.140.0030.08318.10
5.6.130.0100.05018.22
5.6.120.0000.07320.98
5.6.110.0070.08020.95
5.6.100.0130.08020.88
5.6.90.0070.07320.89
5.6.80.0070.04020.37
5.5.350.0030.08020.38
5.5.340.0100.07717.98
5.5.330.0070.04020.40
5.5.320.0400.06720.30
5.5.310.0170.04320.20
5.5.300.0070.05017.90
5.5.290.0100.06017.97
5.5.280.0070.06320.79
5.5.270.0130.04720.78
5.5.260.0070.07020.67
5.5.250.0100.08720.67
5.5.240.0230.02720.33
5.4.450.0030.08019.52
5.4.440.0170.07019.23
5.4.430.0100.06019.43
5.4.420.0030.04719.23
5.4.410.0030.04719.37
5.4.400.0030.04019.01
5.4.390.0100.08019.18
5.4.380.0030.05019.18
5.4.370.0130.05019.14
5.4.360.0070.08318.92
5.4.350.0130.07018.78
5.4.340.0030.04019.00
5.4.320.0100.07319.14
5.4.310.0230.05319.19
5.4.300.0100.07318.91
5.4.290.0070.07719.19
5.4.280.0070.05019.00
5.4.270.0130.06718.79
5.4.260.0000.08018.92
5.4.250.0030.03719.00
5.4.240.0070.05019.07
5.4.230.0030.07718.81
5.4.220.0070.05319.07
5.4.210.0030.08019.20
5.4.200.0070.07018.91
5.4.190.0100.06019.03
5.4.180.0070.07719.07
5.4.170.0070.07018.77
5.4.160.0230.06319.06
5.4.150.0070.07319.12
5.4.140.0000.05316.25
5.4.130.0070.03716.41
5.4.120.0100.04016.25
5.4.110.0000.06316.25
5.4.100.0070.05316.23
5.4.90.0000.07716.39
5.4.80.0130.06316.22
5.4.70.0070.04016.13
5.4.60.0000.05316.38
5.4.50.0100.04016.26
5.4.40.0030.07716.34
5.4.30.0070.04016.30
5.4.20.0070.07016.21
5.4.10.0130.07016.22
5.4.00.0030.04715.61
5.3.290.0030.08714.48
5.3.280.0130.07014.49
5.3.270.0070.07714.55
5.3.260.0030.06314.42
5.3.250.0070.07714.57
5.3.240.0000.05714.42
5.3.230.0070.07714.54
5.3.220.0030.06014.49
5.3.210.0070.06314.49
5.3.200.0100.07314.50
5.3.190.0030.07714.49
5.3.180.0170.05714.57
5.3.170.0100.05714.49
5.3.160.0000.07714.50
5.3.150.0030.07714.65
5.3.140.0030.08014.37
5.3.130.0070.04714.48
5.3.120.0070.04714.56
5.3.110.0030.05014.52
5.3.100.0100.03013.96
5.3.90.0070.03313.89
5.3.80.0100.04013.96
5.3.70.0000.07313.84
5.3.60.0030.05713.97
5.3.50.0100.07313.96
5.3.40.0030.05713.92
5.3.30.0130.03713.83
5.3.20.0100.04013.66
5.3.10.0100.05713.74
5.3.00.0030.07713.63
5.2.170.0030.03011.05
5.2.160.0070.04311.23
5.2.150.0100.06011.23
5.2.140.0070.06310.99
5.2.130.0100.04711.09
5.2.120.0070.05311.09
5.2.110.0030.03311.05
5.2.100.0030.03711.05
5.2.90.0030.03011.19
5.2.80.0100.05011.07
5.2.70.0070.06311.07
5.2.60.0000.04711.01
5.2.50.0000.03311.00
5.2.40.0000.03010.87
5.2.30.0070.02710.79
5.2.20.0030.02710.92
5.2.10.0130.02310.85
5.2.00.0100.05710.71
5.1.60.0100.04010.14
5.1.50.0000.0279.98
5.1.40.0070.0479.81
5.1.30.0030.04710.32
5.1.20.0130.04710.25
5.1.10.0070.02710.04
5.1.00.0070.02710.08
5.0.50.0070.0378.69
5.0.40.0030.0478.46
5.0.30.0030.0638.20
5.0.20.0030.0408.16
5.0.10.0000.0278.32
5.0.00.0030.0508.19
4.4.90.0030.0137.71
4.4.80.0000.0207.71
4.4.70.0030.0337.71
4.4.60.0000.0277.71
4.4.50.0030.0377.71
4.4.40.0000.0537.71
4.4.30.0030.0277.71
4.4.20.0000.0277.71
4.4.10.0070.0307.71
4.4.00.0000.0307.71
4.3.110.0070.0307.71
4.3.100.0030.0377.71
4.3.90.0030.0307.71
4.3.80.0000.0577.71
4.3.70.0000.0177.71
4.3.60.0000.0177.71
4.3.50.0070.0137.71
4.3.40.0000.0537.71
4.3.30.0000.0377.71
4.3.20.0000.0207.71
4.3.10.0030.0337.71
4.3.00.0030.0307.71

preferences:
46.6 ms | 401 KiB | 5 Q