3v4l.org

run code in 300+ PHP versions simultaneously
<?php $num = "0xa"; $hexstr = sprintf("%x",( $num + 3)); // 0 $hexstr2 = sprintf("%x", hexdec($num) + 3 ); var_dump($hexstr,$hexstr2);

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)
8.3.60.0070.00716.50
8.3.50.0090.01021.93
8.3.40.0120.00318.61
8.3.30.0070.00718.72
8.3.20.0040.00420.33
8.3.10.0080.00023.54
8.3.00.0030.00519.23
8.2.180.0120.00918.41
8.2.170.0120.00622.96
8.2.160.0090.00519.29
8.2.150.0060.00324.18
8.2.140.0080.00024.66
8.2.130.0040.00417.63
8.2.120.0000.00826.35
8.2.110.0040.00420.47
8.2.100.0080.00417.90
8.2.90.0050.00219.05
8.2.80.0060.00317.97
8.2.70.0000.00817.63
8.2.60.0050.00317.80
8.2.50.0030.00618.07
8.2.40.0000.00719.31
8.2.30.0040.00420.59
8.2.20.0040.00417.68
8.2.10.0040.00418.03
8.2.00.0040.00418.05
8.1.280.0140.00025.92
8.1.270.0030.00723.83
8.1.260.0040.00428.09
8.1.250.0030.00628.09
8.1.240.0060.00323.92
8.1.230.0040.00819.32
8.1.220.0110.00017.74
8.1.210.0000.00818.77
8.1.200.0000.00917.23
8.1.190.0040.00417.10
8.1.180.0080.00018.10
8.1.170.0000.00818.77
8.1.160.0040.00421.90
8.1.150.0070.00018.76
8.1.140.0080.00019.55
8.1.130.0000.00817.63
8.1.120.0070.00317.40
8.1.110.0000.00717.39
8.1.100.0040.00417.34
8.1.90.0040.00417.26
8.1.80.0040.00417.34
8.1.70.0030.00317.25
8.1.60.0040.00417.48
8.1.50.0060.00317.50
8.1.40.0000.00817.50
8.1.30.0000.00817.55
8.1.20.0070.00017.58
8.1.10.0060.00317.43
8.1.00.0040.00417.43
8.0.300.0070.00018.77
8.0.290.0040.00416.75
8.0.280.0030.00318.37
8.0.270.0080.00017.14
8.0.260.0070.00317.18
8.0.250.0060.00016.84
8.0.240.0000.00716.84
8.0.230.0030.00616.85
8.0.220.0020.00516.88
8.0.210.0030.00316.84
8.0.200.0000.00616.98
8.0.190.0000.00816.86
8.0.180.0040.00416.90
8.0.170.0000.00816.92
8.0.160.0070.00016.88
8.0.150.0030.00716.82
8.0.140.0030.00316.83
8.0.130.0040.00413.32
8.0.120.0080.00016.73
8.0.110.0040.00416.93
8.0.100.0040.00416.84
8.0.90.0040.00416.73
8.0.80.0080.00816.90
8.0.70.0000.00716.77
8.0.60.0040.00416.93
8.0.50.0040.00416.77
8.0.30.0050.01116.93
8.0.20.0140.01017.40
8.0.10.0000.00716.97
8.0.00.0090.01116.72
7.4.330.0000.00516.84
7.4.320.0060.00016.44
7.4.300.0000.00616.45
7.4.290.0000.00716.46
7.4.280.0070.00016.42
7.4.270.0040.00416.48
7.4.260.0030.00316.49
7.4.250.0030.00316.54
7.4.240.0030.00516.53
7.4.230.0070.00016.23
7.4.220.0060.01016.62
7.4.210.0060.01016.45
7.4.200.0030.00316.63
7.4.160.0080.00816.38
7.4.150.0100.01417.40
7.4.140.0100.01117.86
7.4.130.0150.00216.54
7.4.120.0140.00316.50
7.4.110.0070.01116.54
7.4.100.0100.01016.33
7.4.90.0060.01016.33
7.4.80.0120.00919.39
7.4.70.0130.00316.48
7.4.60.0100.00716.43
7.4.50.0030.01016.22
7.4.40.0070.01016.27
7.4.30.0090.01316.52
7.4.00.0030.01014.88
7.3.330.0030.00313.25
7.3.320.0040.00413.26
7.3.310.0030.00316.40
7.3.300.0070.00016.34
7.3.290.0100.00516.24
7.3.280.0070.01216.26
7.3.270.0140.01417.40
7.3.260.0100.00716.36
7.3.250.0070.01116.34
7.3.240.0090.00816.46
7.3.230.0100.00716.39
7.3.210.0150.00616.21
7.3.200.0100.01016.32
7.3.190.0030.01416.31
7.3.180.0100.00716.23
7.3.170.0070.01016.37
7.3.160.0170.00016.38
7.2.330.0070.01016.54
7.2.320.0200.00316.26
7.2.310.0030.01516.68
7.2.300.0070.01016.60
7.2.290.0070.01016.60
7.2.60.0060.00916.61
7.2.00.0060.00919.01
7.1.200.0070.00315.53
7.1.100.0080.00618.34
7.1.70.0130.00816.92
7.1.60.0140.01019.36
7.1.50.0060.01616.99
7.1.00.0030.07722.33
7.0.200.0000.00916.54
7.0.60.0100.08319.86
7.0.50.0070.08317.86
7.0.40.0100.06720.12
7.0.30.0470.07020.16
7.0.20.0130.05020.13
7.0.10.0100.04319.97
7.0.00.0070.09020.16
5.6.280.0030.06021.02
5.6.210.0030.08720.50
5.6.200.0170.06018.08
5.6.190.0030.05020.35
5.6.180.0370.07320.56
5.6.170.0270.05720.41
5.6.160.0200.07020.41
5.6.150.0000.07018.21
5.6.140.0070.07318.21
5.6.130.0070.04018.12
5.6.120.0000.07320.99
5.6.110.0100.06721.08
5.6.100.0100.08020.96
5.6.90.0200.06320.95
5.6.80.0200.06720.43
5.5.350.3900.03020.48
5.5.340.0070.05718.00
5.5.330.0200.07320.23
5.5.320.0100.08320.16
5.5.310.0200.04020.20
5.5.300.0070.04317.98
5.5.290.0030.06317.97
5.5.280.0070.08020.79
5.5.270.0070.05720.79
5.5.260.0130.05320.75
5.5.250.0070.05720.78
5.5.240.0200.07720.35

preferences:
50.81 ms | 401 KiB | 5 Q