3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 0x40; var_dump($a); // 64 var_dump(base_convert($a, 16, 2)); // But 64hex == 1100100 or 296 b/c passing effectively 64 in base 16 to convert to base 2 var_dump(base_convert(40, 16, 2)); // 64 b/c 40 in base 16 == 64 decimal == 1000000 or 2 ** 6

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)
8.3.60.0100.00318.31
8.3.50.0130.00821.20
8.3.40.0070.00718.59
8.3.30.0100.00320.26
8.3.20.0000.00820.33
8.3.10.0080.00022.07
8.3.00.0030.00522.39
8.2.180.0090.00916.35
8.2.170.0090.00622.96
8.2.160.0100.00322.13
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0040.00420.54
8.2.110.0040.00420.47
8.2.100.0060.00617.59
8.2.90.0000.00819.28
8.2.80.0040.00418.98
8.2.70.0040.00417.63
8.2.60.0000.01118.04
8.2.50.0000.00818.07
8.2.40.0040.00418.03
8.2.30.0000.00719.44
8.2.20.0000.00917.57
8.2.10.0000.00717.62
8.2.00.0070.00417.63
8.1.270.0080.00023.99
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0050.00523.77
8.1.230.0040.00723.85
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0000.01117.22
8.1.190.0090.00017.40
8.1.180.0050.00318.10
8.1.170.0040.00418.45
8.1.160.0000.00718.85
8.1.150.0040.00418.57
8.1.140.0000.00717.38
8.1.130.0060.00017.80
8.1.120.0040.00417.39
8.1.110.0070.00017.25
8.1.100.0040.00417.29
8.1.90.0000.00717.34
8.1.80.0030.00517.29
8.1.70.0030.00317.32
8.1.60.0050.00417.45
8.1.50.0070.00017.46
8.1.40.0040.00817.34
8.1.30.0070.00017.58
8.1.20.0000.00817.55
8.1.10.0080.00017.35
8.1.00.0020.00517.35
8.0.300.0080.00018.77
8.0.290.0040.00416.93
8.0.280.0030.00518.37
8.0.270.0030.00317.18
8.0.260.0000.00716.65
8.0.250.0030.00616.86
8.0.240.0000.00816.89
8.0.230.0050.00216.90
8.0.220.0040.00416.83
8.0.210.0050.00316.70
8.0.200.0000.00716.92
8.0.190.0030.00316.77
8.0.180.0000.00816.88
8.0.170.0060.00316.86
8.0.160.0040.00416.86
8.0.150.0000.00716.85
8.0.140.0060.00316.78
8.0.130.0000.00513.18
8.0.120.0040.00416.77
8.0.110.0040.00416.84
8.0.100.0000.00816.77
8.0.90.0000.00816.67
8.0.80.0120.00316.81
8.0.70.0040.00416.70
8.0.60.0040.00416.88
8.0.50.0000.00716.83
8.0.30.0100.00816.84
8.0.20.0070.01117.40
8.0.10.0050.00216.81
8.0.00.0110.01116.70
7.4.330.0000.00516.62
7.4.320.0030.00316.57
7.4.300.0060.00016.52
7.4.290.0000.00716.50
7.4.280.0070.00016.41
7.4.270.0030.00516.44
7.4.260.0000.00513.20
7.4.250.0070.00016.41
7.4.240.0020.00616.51
7.4.230.0000.00716.53
7.4.220.0030.01616.53
7.4.210.0070.00816.47
7.4.200.0030.00316.58
7.4.190.0080.00016.47
7.4.160.0090.00916.50
7.4.150.0070.01017.40
7.4.140.0090.01117.86
7.4.130.0100.00616.56
7.4.120.0040.01316.26
7.4.110.0090.00916.65
7.4.100.0170.00616.54
7.4.90.0110.00516.43
7.4.80.0170.00019.39
7.4.70.0130.00316.34
7.4.60.0120.00616.30
7.4.50.0060.00316.25
7.4.40.0060.01022.77
7.4.30.0070.01016.46
7.4.00.0080.01014.79
7.3.330.0020.00212.94
7.3.320.0030.00313.04
7.3.310.0000.00616.13
7.3.300.0030.00316.10
7.3.290.0120.00316.18
7.3.280.0100.00816.12
7.3.270.0140.00317.40
7.3.260.0080.01116.15
7.3.250.0070.01216.21
7.3.240.0160.00016.11
7.3.230.0140.00416.39
7.3.210.0110.00716.04
7.3.200.0060.01219.39
7.3.190.0070.01016.44
7.3.180.0030.01216.11
7.3.170.0090.00616.48
7.3.160.0060.01316.08
7.3.120.0040.01114.66
7.3.110.0040.01414.73
7.3.100.0030.01314.54
7.3.90.0070.00414.59
7.3.80.0070.00714.67
7.3.70.0000.01414.75
7.3.60.0030.01014.73
7.3.50.0030.00714.68
7.3.40.0000.00914.70
7.3.30.0060.00314.82
7.3.20.0040.00716.37
7.3.10.0120.00316.43
7.3.00.0110.00416.59
7.2.330.0080.00816.27
7.2.320.0200.00316.16
7.2.310.0070.01016.31
7.2.300.0110.00716.45
7.2.290.0090.00616.30
7.2.250.0130.00614.78
7.2.240.0000.01215.09
7.2.230.0060.00614.91
7.2.220.0080.00814.88
7.2.210.0090.00614.42
7.2.200.0060.00614.95
7.2.190.0040.00714.75
7.2.180.0030.01014.61
7.2.170.0100.00714.91
7.2.130.0070.00716.66
7.2.120.0070.00316.86
7.2.110.0030.01016.80
7.2.100.0060.00916.85
7.2.90.0120.00316.58
7.2.80.0060.00316.70
7.2.70.0030.01016.86
7.2.60.0120.00016.73
7.2.50.0030.00916.68
7.2.40.0040.01116.32
7.2.30.0060.00316.81
7.2.20.0060.00616.53
7.2.10.0070.00316.45
7.2.00.0060.00818.04
7.1.330.0090.00615.60
7.1.320.0030.01015.70
7.1.310.0100.00315.73
7.1.300.0000.01515.64
7.1.290.0070.00715.70
7.1.280.0070.00715.64
7.1.270.0090.00915.48
7.1.260.0060.00915.84
7.1.250.0040.00415.66
7.1.100.0000.01118.30
7.1.70.0080.00817.09
7.1.60.0070.01719.17
7.1.50.0120.00934.52
7.1.00.0000.06322.31
7.0.200.0060.00316.41
7.0.140.0030.07022.18
7.0.70.0100.05021.71
7.0.60.0100.07321.69
7.0.50.0000.04322.06
7.0.40.0070.04020.05
7.0.30.0030.08020.13
7.0.20.0000.08720.07
7.0.10.0070.07320.07
7.0.00.0030.04320.14
5.6.280.0130.06321.12
5.6.220.0100.07320.67
5.6.210.0070.06720.66
5.6.200.0100.07321.03
5.6.190.0030.08021.07
5.6.180.0070.08321.07
5.6.170.0030.08321.05
5.6.160.0100.06320.93
5.6.150.0030.04021.04
5.6.140.0070.04321.16
5.6.130.0000.07721.10
5.6.120.0030.04721.01
5.6.110.0070.04321.08
5.6.100.0000.04720.93
5.6.90.0170.08021.00
5.6.80.0000.07720.54
5.6.70.0030.08020.54
5.6.60.0030.04020.46
5.6.50.0030.08020.43
5.6.40.0000.05720.45
5.6.30.0030.08320.40
5.6.20.0070.04320.38
5.6.10.0030.05020.43
5.6.00.0070.07720.41
5.5.360.0070.08020.40
5.5.350.0070.08720.45
5.5.340.0030.08320.63
5.5.330.0030.05320.86
5.5.320.0030.08020.88
5.5.310.0000.08720.63
5.5.300.0030.07320.76
5.5.290.0070.06720.82
5.5.280.0100.04320.72
5.5.270.0030.06720.62
5.5.260.0030.08720.78
5.5.250.0030.05720.54
5.5.240.0070.07320.20
5.5.230.0030.05020.23
5.5.220.0000.04020.13
5.5.210.0030.07320.28
5.5.200.0100.05320.28
5.5.190.0100.05020.27
5.5.180.0070.08020.10
5.5.160.0100.07020.23
5.5.150.0070.05720.20
5.5.140.0100.03320.24
5.5.130.0030.07320.21
5.5.120.0100.05320.23
5.5.110.0000.08320.13
5.5.100.0030.06319.98
5.5.90.0070.04720.00
5.5.80.0030.07320.08
5.5.70.0130.07320.07
5.5.60.0100.07319.99
5.5.50.0070.07319.99
5.5.40.0030.05320.07
5.5.30.0000.04720.07
5.5.20.0130.07720.01
5.5.10.0070.07720.10
5.5.00.0030.05320.11
5.4.450.0070.05019.45
5.4.440.0070.08319.22
5.4.430.0030.04719.16
5.4.420.0070.07319.30
5.4.410.0030.07319.24
5.4.400.0070.05019.03
5.4.390.0070.05019.14
5.4.380.0030.05019.03
5.4.370.0100.07318.90
5.4.360.0100.07718.85
5.4.350.0030.04318.95
5.4.340.0100.05718.98
5.4.320.0070.08019.14
5.4.310.0070.06718.81
5.4.300.0030.04719.09
5.4.290.0000.07719.03
5.4.280.0030.07018.98
5.4.270.0000.07018.89
5.4.260.0070.07019.09
5.4.250.0100.07318.93
5.4.240.0070.08018.78
5.4.230.0070.06019.12
5.4.220.0030.05719.24
5.4.210.0130.06718.94
5.4.200.0000.07318.97
5.4.190.0030.08019.09
5.4.180.0100.07018.96
5.4.170.0030.07718.91
5.4.160.0030.08019.00
5.4.150.0070.07719.18
5.4.140.0070.07016.38
5.4.130.0100.05716.35
5.4.120.0130.05316.28
5.4.110.0070.06316.41
5.4.100.0000.07316.41
5.4.90.0070.06716.31
5.4.80.0030.06016.48
5.4.70.0000.07716.36
5.4.60.0000.05716.38
5.4.50.0070.05016.33
5.4.40.0070.05016.24
5.4.30.0200.06016.38
5.4.20.0100.06316.20
5.4.10.0100.06716.18
5.4.00.0100.06715.82
5.3.290.0030.05314.62
5.3.280.0030.05714.40
5.3.270.0100.07714.54
5.3.260.0070.05014.47
5.3.250.0070.07314.50
5.3.240.0030.07714.59
5.3.230.0030.07314.46
5.3.220.0070.04314.54
5.3.210.0070.05014.55
5.3.200.0100.07014.38
5.3.190.0030.08014.50
5.3.180.0000.07014.51
5.3.170.0030.05314.57
5.3.160.0030.07314.56
5.3.150.0030.08014.41
5.3.140.0070.07714.41
5.3.130.0200.07314.52
5.3.120.0070.06014.50
5.3.110.0000.07014.48
5.3.100.0000.06014.02
5.3.90.0030.06713.98
5.3.80.0000.07713.96
5.3.70.0030.07313.92
5.3.60.0070.06013.98
5.3.50.0000.07013.80
5.3.40.0070.07713.95
5.3.30.0000.08013.68
5.3.20.0100.04313.66
5.3.10.0070.06313.51
5.3.00.0070.07313.39
5.2.170.0000.06711.14
5.2.160.0030.06010.93
5.2.150.0030.05711.18
5.2.140.0030.06310.97
5.2.130.0030.03311.16
5.2.120.0000.04310.93
5.2.110.0030.05011.08
5.2.100.0070.06010.92
5.2.90.0000.06311.09
5.2.80.0070.04011.05
5.2.70.0070.05710.88
5.2.60.0000.05710.91
5.2.50.0070.06311.04
5.2.40.0170.05010.86
5.2.30.0070.06011.00
5.2.20.0070.05710.84
5.2.10.0000.05310.86
5.2.00.0030.05310.57
5.1.60.0030.03710.53
5.1.50.0100.04010.53
5.1.40.0000.05710.53
5.1.30.0030.04710.53
5.1.20.0000.04010.53
5.1.10.0030.05710.53
5.1.00.0100.05310.53
5.0.50.0030.03710.53
5.0.40.0000.04710.53
5.0.30.0000.06710.53
5.0.20.0030.03710.53
5.0.10.0000.04710.53
5.0.00.0070.05310.53
4.4.90.0030.03010.53
4.4.80.0000.02310.53
4.4.70.0000.03710.53
4.4.60.0030.03010.53
4.4.50.0030.03710.53
4.4.40.0070.02710.53
4.4.30.0030.03010.53
4.4.20.0000.03710.53
4.4.10.0000.03710.53
4.4.00.0000.03010.53
4.3.110.0070.02710.53
4.3.100.0000.03710.53
4.3.90.0000.03710.53
4.3.80.0000.05710.53
4.3.70.0000.03310.53
4.3.60.0000.02710.53
4.3.50.0000.02710.53
4.3.40.0000.04310.53
4.3.30.0000.02310.53
4.3.20.0000.01710.53
4.3.10.0030.03310.53
4.3.00.0000.03710.53

preferences:
55.58 ms | 400 KiB | 5 Q