3v4l.org

run code in 300+ PHP versions simultaneously
<?php #echo bin2hex(strrev(base64_encode(123456789))); echo " "; $str = "3d3d516343746d4d6d6c31566956336"; #echo $str; echo " "; $b64 = base64_decode($str); #echo $b64; echo " "; $strrev = strrev($str); #echo $strrev; echo " "; $hex2bin = base64_decode($str); #echo $hex2bin; echo " "; $a = hex2bin(strrev($str)); echo $a; echo " ";

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)
8.3.70.0110.00418.55
8.3.60.0040.01116.50
8.3.50.0040.01116.26
8.3.40.0070.00718.59
8.3.30.0070.01118.72
8.3.20.0120.00020.22
8.3.10.0080.00023.56
8.3.00.0060.00319.38
8.2.180.0110.00718.50
8.2.170.0100.00722.96
8.2.160.0120.00420.54
8.2.150.0070.00024.18
8.2.140.0070.00024.66
8.2.130.0060.00321.13
8.2.120.0080.00026.35
8.2.110.0090.00022.29
8.2.100.0120.00017.91
8.2.90.0080.00019.17
8.2.80.0040.00417.97
8.2.70.0080.00517.50
8.2.60.0050.00318.04
8.2.50.0030.00518.10
8.2.40.0000.00820.42
8.2.30.0040.00421.01
8.2.20.0000.00817.94
8.2.10.0040.00418.09
8.2.00.0070.00018.00
8.1.280.0150.00625.92
8.1.270.0000.00822.06
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0030.00620.84
8.1.230.0040.00819.18
8.1.220.0000.00817.90
8.1.210.0030.00518.77
8.1.200.0030.00717.23
8.1.190.0080.00017.10
8.1.180.0000.00818.10
8.1.170.0060.00320.22
8.1.160.0000.00718.96
8.1.150.0040.00418.81
8.1.140.0040.00419.56
8.1.130.0030.00317.39
8.1.120.0030.00517.41
8.1.110.0000.00917.40
8.1.100.0030.00317.38
8.1.90.0030.00617.43
8.1.80.0000.00817.30
8.1.70.0040.00417.29
8.1.60.0080.00017.50
8.1.50.0050.00217.44
8.1.40.0020.00517.40
8.1.30.0040.00417.64
8.1.20.0030.00517.43
8.1.10.0050.00317.58
8.1.00.0000.00717.41
8.0.300.0000.00720.09
8.0.290.0040.00416.88
8.0.280.0040.00418.46
8.0.270.0040.00417.34
8.0.260.0040.00416.88
8.0.250.0000.00716.91
8.0.240.0030.00516.98
8.0.230.0000.00717.02
8.0.220.0070.00016.80
8.0.210.0000.00716.84
8.0.200.0060.00016.94
8.0.190.0050.00316.99
8.0.180.0000.00716.81
8.0.170.0030.00316.88
8.0.160.0040.00416.93
8.0.150.0040.00416.84
8.0.140.0040.00416.83
8.0.130.0050.00013.30
8.0.120.0000.00716.84
8.0.110.0020.00516.78
8.0.100.0000.00716.73
8.0.90.0040.00416.90
8.0.80.0030.01416.95
8.0.70.0040.00416.88
8.0.60.0020.00516.95
8.0.50.0000.00816.79
8.0.30.0090.01017.06
8.0.20.0130.00617.40
8.0.10.0040.00316.86
8.0.00.0110.00616.94
7.4.330.0030.00315.55
7.4.320.0000.00616.54
7.4.300.0030.00316.55
7.4.290.0040.00716.58
7.4.280.0080.00016.45
7.4.270.0000.00816.42
7.4.260.0050.00216.52
7.4.250.0080.00016.35
7.4.240.0030.00316.45
7.4.230.0000.00716.64
7.4.220.0080.01116.38
7.4.210.0110.00316.61
7.4.200.0000.00716.38
7.4.160.0100.00616.32
7.4.150.0170.00317.40
7.4.140.0110.00717.86
7.4.130.0110.00916.45
7.4.120.0090.00816.44
7.4.110.0100.00716.23
7.4.100.0180.00616.64
7.4.90.0100.00716.46
7.4.80.0140.00319.39
7.4.70.0070.01016.45
7.4.60.0060.01016.43
7.4.50.0030.01316.65
7.4.40.0060.01016.42
7.4.30.0120.00616.59
7.4.00.0060.01115.02
7.3.330.0030.00313.15
7.3.320.0000.00513.18
7.3.310.0030.00316.02
7.3.300.0040.00416.25
7.3.290.0100.00416.28
7.3.280.0080.00916.27
7.3.270.0080.00817.40
7.3.260.0140.00716.50
7.3.250.0140.00816.27
7.3.240.0110.00816.26
7.3.230.0060.01616.20
7.3.210.0090.00916.32
7.3.200.0090.00916.36
7.3.190.0120.00516.27
7.3.180.0120.00416.35
7.3.170.0000.01516.38
7.3.160.0040.01216.39
7.3.120.0040.01214.81
7.3.110.0060.00615.03
7.3.100.0080.00314.92
7.3.90.0060.00614.74
7.3.80.0090.00614.83
7.3.70.0060.00914.86
7.3.60.0080.00614.84
7.3.50.0090.00614.81
7.3.40.0030.01314.54
7.3.30.0090.00014.80
7.3.20.0080.00316.64
7.3.10.0030.01016.80
7.3.00.0030.01016.72
7.2.330.0060.01216.51
7.2.320.0100.01016.36
7.2.310.0120.00916.62
7.2.300.0140.00816.24
7.2.290.0060.01016.57
7.2.250.0140.00314.86
7.2.240.0030.01314.82
7.2.230.0060.00614.97
7.2.220.0070.00714.98
7.2.210.0040.01114.86
7.2.200.0000.01315.13
7.2.190.0000.01014.87
7.2.180.0040.01515.07
7.2.170.0030.01014.65
7.2.90.0160.00614.55
7.2.80.0260.00414.37
7.2.70.0410.00715.04
7.2.60.0480.01314.92
7.2.50.0130.00615.08
7.2.40.0710.00714.84
7.2.30.0250.00414.98
7.2.20.0450.00614.71
7.2.10.0140.00514.67
7.2.00.0150.00814.79
7.1.330.0030.01015.71
7.1.320.0000.01315.97
7.1.310.0070.00315.82
7.1.300.0040.00415.53
7.1.290.0130.00015.75
7.1.280.0030.00715.57
7.1.270.0070.01015.54
7.1.260.0070.00715.73
7.1.210.0410.00913.89
7.1.200.0430.00713.92
7.1.190.0120.00813.99
7.1.180.0260.00413.86
7.1.170.0130.00313.79
7.1.160.0650.00313.84
7.1.150.0640.00313.84
7.1.140.0670.00413.82
7.1.130.0080.00913.92
7.1.120.0520.01213.38
7.1.110.0300.00814.09
7.1.100.0050.00913.57
7.1.90.0490.00014.07
7.1.80.0530.00313.96
7.1.70.0500.00614.10
7.1.60.0590.01232.01
7.1.50.0440.00731.98
7.1.40.0680.01731.75
7.1.30.0350.01131.81
7.1.20.0500.00931.68
7.1.10.0300.00614.05
7.1.00.0840.01013.75
7.0.310.0580.00013.38
7.0.300.0320.00313.45
7.0.290.0590.00313.43
7.0.280.0220.00613.51
7.0.270.0070.00913.32
7.0.260.0490.00413.43
7.0.250.0390.00013.27
7.0.240.0370.00413.40
7.0.230.0080.00513.14
7.0.220.0500.00313.62
7.0.210.0450.00313.36
7.0.200.0110.00713.25
7.0.190.0340.00713.26
7.0.180.0650.00013.45
7.0.170.0090.00913.30
7.0.160.0620.00713.69
7.0.150.0060.00613.51
7.0.140.0730.00013.50
7.0.130.0280.00313.67
7.0.120.0100.00313.41
7.0.110.0470.01013.52
7.0.100.0100.00213.43
7.0.90.0700.00313.30
7.0.80.0080.00513.57
7.0.70.0060.00613.34
7.0.60.0310.00013.48
7.0.50.0520.00313.39
7.0.40.0450.01013.40
7.0.30.0050.00913.27
7.0.20.0100.00513.63
7.0.10.0730.00313.74
7.0.00.0750.00913.53

preferences:
64.75 ms | 400 KiB | 5 Q