3v4l.org

run code in 300+ PHP versions simultaneously
<?php function gdr_encode($val) { $str = ''; while ($val > 0) { $str .= chr($val & 0xFF); $val = $val >> 8; } return str_replace(array('/', '='), array('_', ''), base64_encode($str)); } function gdr_decode($bin) { $str = base64_decode(str_replace('_', '/', $bin)); $val = 0; for ($i=0; $i<strlen($str); $i++) { $val |= ord($str[$i]) << $i*8; } return $val; } for ($i=0; $i<32; $i++) { $val = 1<<$i; $enc = gdr_encode($val); $dec = gdr_decode($enc); echo "$val => $enc => $dec\n"; }

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)
8.3.60.0150.00618.43
8.3.50.0070.00719.86
8.3.40.0040.01118.98
8.3.30.0070.00719.23
8.3.20.0040.00420.21
8.3.10.0030.00621.73
8.3.00.0080.00017.50
8.2.180.0160.00316.32
8.2.170.0080.00822.96
8.2.160.0090.00620.39
8.2.150.0040.00424.18
8.2.140.0030.00524.66
8.2.130.0000.00826.16
8.2.120.0040.00421.01
8.2.110.0060.00320.44
8.2.100.0030.00917.91
8.2.90.0080.00018.34
8.2.80.0080.00017.97
8.2.70.0050.00317.63
8.2.60.0080.00017.93
8.2.50.0000.00818.07
8.2.40.0040.00418.22
8.2.30.0000.00718.14
8.2.20.0000.00817.66
8.2.10.0070.00018.21
8.2.00.0040.00417.77
8.1.280.0160.00325.92
8.1.270.0060.00323.76
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0070.00322.26
8.1.230.0090.00320.86
8.1.220.0030.00617.77
8.1.210.0040.00418.85
8.1.200.0030.00617.25
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0000.00818.52
8.1.160.0040.00421.96
8.1.150.0070.00018.89
8.1.140.0050.00217.30
8.1.130.0030.00317.86
8.1.120.0050.00217.41
8.1.110.0070.00017.30
8.1.100.0000.00717.28
8.1.90.0040.00417.41
8.1.80.0070.00017.41
8.1.70.0040.00417.29
8.1.60.0080.00017.48
8.1.50.0030.00517.41
8.1.40.0030.00517.43
8.1.30.0000.00817.57
8.1.20.0030.00617.64
8.1.10.0000.00817.56
8.1.00.0040.00417.53
8.0.300.0040.00420.21
8.0.290.0040.00416.75
8.0.280.0030.00318.36
8.0.270.0070.00317.27
8.0.260.0040.00717.20
8.0.250.0040.00416.98
8.0.240.0050.00217.00
8.0.230.0050.00317.02
8.0.220.0030.00316.82
8.0.210.0040.00416.91
8.0.200.0030.00316.97
8.0.190.0060.00316.94
8.0.180.0040.00416.95
8.0.170.0000.00816.95
8.0.160.0000.00716.75
8.0.150.0030.00316.79
8.0.140.0040.00416.82
8.0.130.0050.00013.36
8.0.120.0040.00416.91
8.0.110.0040.00316.91
8.0.100.0070.00016.86
8.0.90.0070.00016.71
8.0.80.0140.00716.81
8.0.70.0050.00316.79
8.0.60.0080.00016.93
8.0.50.0080.00016.92
8.0.30.0150.00517.08
8.0.20.0070.01417.40
8.0.10.0030.00517.02
8.0.00.0150.00616.87
7.4.330.0050.00015.03
7.4.320.0000.00716.55
7.4.300.0030.00316.50
7.4.290.0050.00316.43
7.4.280.0050.00316.50
7.4.270.0030.00316.59
7.4.260.0030.00716.50
7.4.250.0040.00416.57
7.4.240.0050.00216.54
7.4.230.0000.00716.41
7.4.220.0080.00816.53
7.4.210.0090.00916.50
7.4.200.0000.00716.52
7.4.160.0060.01616.61
7.4.150.0120.00617.40
7.4.140.0080.01017.86
7.4.130.0130.00816.58
7.4.120.0090.00816.42
7.4.110.0140.00516.50
7.4.100.0110.00816.51
7.4.90.0080.00816.50
7.4.80.0080.00919.39
7.4.70.0110.01116.60
7.4.60.0090.00916.50
7.4.50.0020.00216.40
7.4.40.0060.01216.54
7.4.30.0060.01216.52
7.4.00.0040.01414.83
7.3.330.0030.00313.40
7.3.320.0050.00013.32
7.3.310.0070.00016.33
7.3.300.0000.00716.25
7.3.290.0100.00316.38
7.3.280.0070.01016.35
7.3.270.0180.00617.40
7.3.260.0120.00616.50
7.3.250.0080.01016.48
7.3.240.0060.01016.52
7.3.230.0120.00916.39
7.3.210.0150.00316.36
7.3.200.0210.00019.39
7.3.190.0140.00316.61
7.3.180.0070.01016.70
7.3.170.0040.01216.32
7.3.160.0060.01316.32
7.3.10.0080.00516.42
7.3.00.0110.00516.45
7.2.330.0040.01516.61
7.2.320.0140.00316.85
7.2.310.0080.00816.82
7.2.300.0070.01016.46
7.2.290.0040.01216.46
7.2.130.0110.00616.45
7.2.120.0130.00716.58
7.2.110.0140.00616.51
7.2.100.0080.00816.51
7.2.90.0060.01016.60
7.2.80.0130.00716.88
7.2.70.0130.01016.52
7.2.60.0070.01116.66
7.2.50.0150.00716.52
7.2.40.0060.00816.72
7.2.30.0090.00716.65
7.2.20.0140.00816.48
7.2.10.0070.00716.46
7.2.00.0130.00817.68
7.1.250.0100.00715.37
7.1.200.0060.00915.96
7.1.100.0000.01418.11
7.1.70.0050.00317.35
7.1.60.0090.01519.40
7.1.50.0160.00616.78
7.1.00.0000.08022.44
7.0.200.0040.00416.84
7.0.140.0000.07021.93
7.0.60.0070.05719.95
7.0.50.0070.08017.88
7.0.40.0030.06020.20
7.0.30.0500.07720.38
7.0.20.0330.07720.23
7.0.10.0130.06020.17
7.0.00.0030.07020.23
5.6.280.0000.07721.13
5.6.210.0400.06020.60
5.6.200.0070.06718.13
5.6.190.0130.08320.64
5.6.180.0300.08020.46
5.6.170.0300.04720.45
5.6.160.0070.04020.47
5.6.150.0070.08318.25
5.6.140.0030.05318.21
5.6.130.0130.06018.12
5.6.120.0070.07021.16
5.6.110.0130.07321.15
5.6.100.0100.03321.00
5.6.90.0100.04320.86
5.6.80.0130.07720.36
5.5.350.3930.04320.45
5.5.340.0000.06017.99
5.5.330.0100.06320.35
5.5.320.0470.07320.35
5.5.310.0330.05020.18
5.5.300.0000.08717.95
5.5.290.0030.04717.92
5.5.280.0070.08320.86
5.5.270.0030.05020.87
5.5.260.0070.06020.87
5.5.250.0000.04720.66
5.5.240.0200.08020.29
5.4.450.4170.04019.53
5.4.440.4170.03719.52
5.4.430.4200.03019.41
5.4.420.3970.05019.39
5.4.410.3100.04019.35
5.4.400.3870.03718.99
5.4.390.3570.04318.98
5.4.380.3430.03718.95
5.4.370.3430.03718.98
5.4.360.2970.03719.09
5.4.350.3930.04318.87
5.4.340.3730.04019.24
5.4.320.3730.04018.98
5.4.310.3470.03319.20
5.4.300.3030.04019.01
5.4.290.3130.04018.99
5.4.280.3230.04019.19
5.4.270.3930.03718.99
5.4.260.3700.04019.31
5.4.250.3770.04318.86
5.4.240.4100.03718.87
5.4.230.3630.03719.32
5.4.220.3270.04319.07
5.4.210.3630.04319.07
5.4.200.3430.04319.19
5.4.190.3430.03319.21
5.4.180.3700.04319.21
5.4.170.0100.04319.25
5.4.160.3530.03718.97
5.4.150.3700.03718.97
5.4.140.3770.03716.40
5.4.130.3230.03316.43
5.4.120.3670.04016.72
5.4.110.3630.04016.45
5.4.100.3130.04016.46
5.4.90.3370.03716.57
5.4.80.3500.03716.62
5.4.70.3500.03716.49
5.4.60.2570.03016.17
5.4.50.0030.04016.16
5.4.40.3200.03716.53
5.4.30.3200.03716.38
5.4.20.3170.03716.55
5.4.10.3270.03016.42
5.4.00.2930.03715.78
5.3.290.3570.04314.58
5.3.280.4100.03714.63
5.3.270.0000.07014.52
5.3.260.3830.03314.59
5.3.250.3430.04014.62
5.3.240.3970.03314.53
5.3.230.3200.04714.82
5.3.220.3400.03314.48
5.3.210.3400.03014.49
5.3.200.3570.02714.73
5.3.190.3200.03314.49
5.3.180.3500.04014.57
5.3.170.3400.04014.48
5.3.160.0030.04014.51
5.3.150.0000.04014.72
5.3.140.1870.04714.68
5.3.130.2930.03714.53
5.3.120.3170.03714.46
5.3.110.3200.04014.80
5.3.100.3470.03314.01
5.3.90.3200.03314.04
5.3.80.3170.04013.93
5.3.70.3230.03313.93
5.3.60.3270.03013.91
5.3.50.3230.03314.04
5.3.40.3400.03713.89
5.3.30.3530.03013.82
5.3.20.3070.04013.71
5.3.10.4170.03013.74
5.3.00.3670.03013.62
5.2.170.2530.03311.11
5.2.160.2570.03011.09
5.2.150.2630.03011.27
5.2.140.2770.02711.08
5.2.130.3170.02711.27
5.2.120.3470.03011.27
5.2.110.3470.02311.13
5.2.100.3270.02711.03
5.2.90.3400.02711.11
5.2.80.3500.02311.18
5.2.70.4030.03311.02
5.2.60.3430.03310.96
5.2.50.3370.03011.18
5.2.40.2870.03011.01
5.2.30.2470.03310.89
5.2.20.2300.03010.95
5.2.10.2170.03010.79
5.2.00.2470.02010.97
5.1.60.2470.02310.01
5.1.50.2430.0279.93
5.1.40.2730.0279.92
5.1.30.2670.02010.27
5.1.20.2600.03010.27
5.1.10.2570.02710.01
5.1.00.2430.03010.20
5.0.50.1530.0209.04
5.0.40.1370.0179.08
5.0.30.1300.0339.09
5.0.20.1270.0239.09
5.0.10.1330.0209.09
5.0.00.1600.0339.09
4.4.90.1700.0178.91
4.4.80.1370.0138.92
4.4.70.1130.0178.95
4.4.60.1170.0178.95
4.4.50.1270.0208.97
4.4.40.1330.0238.98
4.4.30.1230.0178.99
4.4.20.1430.0179.02
4.4.10.1300.0139.04
4.4.00.1470.0279.06
4.3.110.1370.0139.09
4.3.100.1570.0209.09
4.3.90.1630.0179.09
4.3.80.1700.0209.09
4.3.70.1370.0109.09
4.3.60.1600.0179.11
4.3.50.1600.0209.12
4.3.40.1500.0179.12
4.3.30.0830.0239.13
4.3.20.0830.0239.14
4.3.10.0800.0209.15
4.3.00.0870.0239.15

preferences:
59.92 ms | 400 KiB | 5 Q