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 $val; } mt_srand(42); // seed rng for semi-consistent values for ($i=0; $i<32; $i++) { $val = 1<<$i; $val += mt_rand(0, $val/2); $enc = gdr_encode($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)
7.4.00.0040.01415.02
7.3.120.0070.00814.59
7.3.110.0090.00914.73
7.3.100.0070.01014.58
7.3.90.0050.01014.72
7.3.80.0070.01014.64
7.3.70.0030.00614.82
7.3.60.0040.01114.78
7.3.50.0070.00514.83
7.3.40.0050.00814.78
7.3.30.0030.00814.86
7.3.20.0080.00416.69
7.3.10.0080.00616.47
7.3.00.0060.00716.51
7.2.250.0050.01014.87
7.2.240.0120.00515.17
7.2.230.0030.01214.95
7.2.220.0030.01114.97
7.2.210.0050.00915.14
7.2.200.0060.00815.00
7.2.190.0040.00714.93
7.2.180.0020.00914.92
7.2.170.0030.01015.09
7.2.160.0040.00814.93
7.2.150.0060.00716.93
7.2.140.0110.00316.87
7.2.130.0090.00316.86
7.2.120.0080.00716.79
7.2.110.0080.00516.97
7.2.100.0030.01116.81
7.2.90.0090.00616.70
7.2.80.0060.00916.88
7.2.70.0090.00616.95
7.2.60.0060.00616.80
7.2.50.0090.00616.97
7.2.40.0030.01016.72
7.2.30.0030.01116.80
7.2.20.0080.00316.81
7.2.10.0070.00716.79
7.2.00.0070.00916.96
7.1.330.0110.00815.72
7.1.320.0060.01015.62
7.1.310.0020.01115.73
7.1.300.0050.00615.68
7.1.290.0050.00815.70
7.1.280.0050.00815.86
7.1.270.0080.00615.85
7.1.260.0050.00815.79
7.1.250.0030.00815.66
7.1.240.0060.00615.76
7.1.230.0040.00815.94
7.1.220.0040.01115.90
7.1.210.0070.00615.63
7.1.200.0070.00315.75
7.1.190.0040.00915.67
7.1.180.0070.00615.84
7.1.170.0050.01015.72
7.1.160.0050.00715.84
7.1.150.0000.00915.52
7.1.140.0000.01215.72
7.1.130.0090.00315.91
7.1.120.0020.01215.55
7.1.110.0070.00915.73
7.1.100.0040.00515.77
7.1.90.0040.00815.54
7.1.80.0100.00515.83
7.1.70.0030.00816.35
7.1.60.0050.01216.94
7.1.50.0060.00816.19
7.1.40.0080.00715.68
7.1.30.0090.00915.67
7.1.20.0030.01215.61
7.1.10.0080.00815.56
7.1.00.0070.02917.98
7.0.330.0000.01215.40
7.0.320.0040.00815.36
7.0.310.0020.01015.24
7.0.300.0070.00315.26
7.0.290.0020.01215.50
7.0.280.0050.00815.32
7.0.270.0030.01015.29
7.0.260.0050.00715.28
7.0.250.0030.00815.33
7.0.240.0040.00915.45
7.0.230.0060.00615.45
7.0.220.0050.00615.53
7.0.210.0050.00515.45
7.0.200.0050.00615.82
7.0.190.0040.00915.23
7.0.180.0020.01015.52
7.0.170.0030.01315.49
7.0.160.0040.00915.39
7.0.150.0030.00815.29
7.0.140.0050.02917.59
7.0.130.0040.01115.33
7.0.120.0020.01015.56
7.0.110.0070.00715.30
7.0.100.0100.00315.39
7.0.90.0070.00715.24
7.0.80.0030.01015.40
7.0.70.0040.00615.11
7.0.60.0060.01716.97
7.0.50.0020.02516.14
7.0.40.0020.02415.67
7.0.30.0100.02215.76
7.0.20.0140.03015.63
7.0.10.0060.03215.72
7.0.00.0020.02315.72
5.6.400.0070.00514.14
5.6.390.0090.00514.29
5.6.380.0050.00814.40
5.6.370.0090.00614.38
5.6.360.0110.00514.49
5.6.350.0070.00714.33
5.6.340.0060.00514.25
5.6.330.0070.00614.32
5.6.320.0030.00814.47
5.6.310.0080.00614.13
5.6.300.0060.00714.65
5.6.290.0090.00514.40
5.6.280.0040.03216.44
5.6.270.0040.01114.72
5.6.260.0050.00814.56
5.6.250.0030.01114.29
5.6.240.0050.00814.34
5.6.230.0040.00614.11
5.6.220.0050.00714.32
5.6.210.0060.02316.43
5.6.200.0020.02215.58
5.6.190.0090.02116.31
5.6.180.0100.03416.43
5.6.170.0120.02816.29
5.6.160.0070.03016.31
5.6.150.0040.02515.44
5.6.140.0040.01815.51
5.6.130.0070.01915.69
5.6.120.0050.03516.52
5.6.110.0080.03316.64
5.6.100.0030.03216.61
5.6.90.0060.03516.52
5.6.80.0100.02116.30
5.6.70.0070.00714.24
5.6.60.0020.01414.23
5.6.50.0010.00914.40
5.6.40.0080.00614.29
5.6.30.0060.00614.52
5.6.20.0020.01114.32
5.6.10.0070.00714.16
5.6.00.0020.01114.12
5.5.380.0110.00114.34
5.5.370.0080.00714.43
5.5.360.0000.01414.46
5.5.350.0100.02516.24
5.5.340.0090.02215.56
5.5.330.0100.02516.40
5.5.320.0100.03116.49
5.5.310.0130.02716.45
5.5.300.0040.02115.60
5.5.290.0010.02415.57
5.5.280.0060.03016.55
5.5.270.0040.02016.43
5.5.260.0020.02216.21
5.5.250.0070.03216.48
5.5.240.0030.03416.22
5.5.230.0070.00914.43
5.5.220.0050.01014.00
5.5.210.0020.01314.30
5.5.200.0050.01014.18
5.5.190.0090.00414.28
5.5.180.0070.00514.15
5.5.170.0040.01014.38
5.5.160.0100.00314.22
5.5.150.0010.01114.40
5.5.140.0060.01114.37
5.5.130.0090.00814.44
5.5.120.0090.00614.19
5.5.110.0080.00514.46
5.5.100.0080.00914.28
5.5.90.0040.01114.34
5.5.80.0060.00614.08
5.5.70.0070.00713.86
5.5.60.0070.00514.25
5.5.50.0050.00614.25
5.5.40.0080.00614.38
5.5.30.0030.00914.40
5.5.20.0050.00914.33
5.5.10.0110.00014.53
5.5.00.0030.00814.08
5.4.450.0310.02614.58
5.4.440.0270.01914.49
5.4.430.0190.02014.71
5.4.420.0280.02414.54
5.4.410.0270.02114.50
5.4.400.1460.02314.20
5.4.390.0180.02814.29
5.4.380.0070.02214.24
5.4.370.0110.02214.20
5.4.360.0080.01814.37
5.4.350.0070.02112.08
5.4.340.0080.01412.08
5.4.330.0030.00612.08
5.4.320.0060.01612.29
5.4.310.0040.02112.23
5.4.300.0020.02412.13
5.4.290.0040.02312.31
5.4.280.0070.01912.20
5.4.270.0040.01812.11
5.4.260.0050.01712.27
5.4.250.0050.01812.31
5.4.240.0020.01712.21
5.4.230.0050.01712.10
5.4.220.0040.01612.24
5.4.210.0040.01512.17
5.4.200.0040.01612.23
5.4.190.0060.01412.14
5.4.180.0060.01612.19
5.4.170.0030.02112.13
5.4.160.0070.01312.12
5.4.150.0050.01512.22
5.4.140.0030.01612.14
5.4.130.0030.01912.00
5.4.120.0050.01612.02
5.4.110.0030.01812.11
5.4.100.0040.01512.08
5.4.90.0040.01712.02
5.4.80.0030.02312.11
5.4.70.0050.01612.00
5.4.60.0040.01512.14
5.4.50.0050.01412.15
5.4.40.0060.01412.12
5.4.30.0020.01812.05
5.4.20.0050.01512.07
5.4.10.0050.01712.00
5.4.00.0040.01911.96
5.3.290.0050.01612.21
5.3.280.0050.01812.07
5.3.270.0040.02412.18
5.3.260.0030.01912.18
5.3.250.0070.01512.17
5.3.240.0030.01712.14
5.3.230.0030.01712.11
5.3.220.0060.01612.03
5.3.210.0050.01712.12
5.3.200.0030.01812.11
5.3.190.0050.01812.13
5.3.180.0060.01512.09
5.3.170.0050.01612.16
5.3.160.0010.02012.15
5.3.150.0040.01612.09
5.3.140.0010.01912.13
5.3.130.0020.01812.13
5.3.120.0060.01512.14
5.3.110.0050.02012.06
5.3.100.0030.01911.89
5.3.90.0060.01411.95
5.3.80.0050.01711.92
5.3.70.0030.01711.87
5.3.60.0030.01611.88
5.3.50.0030.01811.82
5.3.40.0040.01811.92
5.3.30.0090.01311.91
5.3.20.0030.01811.83
5.3.10.0030.01811.74
5.3.00.0050.01611.65
5.2.170.0050.0319.22
5.2.160.0020.0349.22
5.2.150.0040.0449.23
5.2.140.0050.0369.21
5.2.130.0040.0359.18
5.2.120.0070.0349.18
5.2.110.0050.0299.19
5.2.100.0030.0319.18
5.2.90.0030.0319.18
5.2.80.0040.0319.18
5.2.70.0030.0319.18
5.2.60.0060.0299.13
5.2.50.0040.0319.10
5.2.40.0030.0429.08
5.2.30.0040.0399.05
5.2.20.0050.0289.05
5.2.10.0060.0308.95
5.2.00.0030.0318.81
5.1.60.0030.0268.09
5.1.50.0040.0268.09
5.1.40.0100.0308.07
5.1.30.0060.0368.43
5.1.20.0090.0358.44
5.1.10.0030.0288.17
5.1.00.0040.0258.17
5.0.50.0030.0216.65
5.0.40.0040.0196.51
5.0.30.0010.0346.32
5.0.20.0040.0196.29
5.0.10.0050.0186.27
5.0.00.0030.0326.26
4.4.90.0040.0144.78
4.4.80.0030.0174.76
4.4.70.0010.0174.75
4.4.60.0010.0184.75
4.4.50.0040.0144.77
4.4.40.0020.0264.71
4.4.30.0050.0144.76
4.4.20.0030.0164.84
4.4.10.0040.0144.85
4.4.00.0020.0254.76
4.3.110.0030.0154.66
4.3.100.0020.0164.67
4.3.90.0050.0124.63
4.3.80.0050.0224.58
4.3.70.0030.0154.63
4.3.60.0020.0164.63
4.3.50.0040.0154.62
4.3.40.0030.0244.54
4.3.30.0010.0183.31
4.3.20.0020.0163.29
4.3.10.0010.0173.25
4.3.00.0100.0237.11

preferences:
33.88 ms | 400 KiB | 5 Q