3v4l.org

run code in 300+ PHP versions simultaneously
<?php function gdr_encode($val) { $chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789!='; $base = strlen($chars); $str = ''; while ($val > 0) { $str = $chars[$val % $base] . $str; $val = (int)($val / $base); } return $str; } function gdr_decode($str) { $chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789!='; $base = strlen($chars); $map = array(); for ($i=0; $i<$base; $i++) { $map[$chars[$i]] = $i; } $val = 0; for ($i=0; $i<strlen($str); $i++) { $val *= $base; $val += (int)$map[$str[$i]]; } return $val; } $vals = array(0, 1, 99, 100, 255, 256, 999, 1000, 9999, 10000, 65535, 65536, 99999, 100000, 999999, 1000000, 4294967295, 4294967296); foreach ($vals as $val) { $enc = gdr_encode($val); $dec = gdr_decode($enc); if (strlen($enc)+2 > strlen($val)) { echo "\"$enc\" $val WORSE\n"; } else if (strlen($enc)+2 == strlen($val)) { echo "\"$enc\" $val EQUAL\n"; } else { echo "\"$enc\" $val\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)
8.3.60.0100.01016.50
8.3.50.0120.00922.96
8.3.40.0110.00818.63
8.3.30.0140.00319.21
8.3.20.0040.00420.16
8.3.10.0080.00021.73
8.3.00.0080.00017.75
8.2.180.0130.00316.50
8.2.170.0170.00322.96
8.2.160.0070.00722.12
8.2.150.0070.00324.18
8.2.140.0050.00324.66
8.2.130.0050.00326.16
8.2.120.0070.00020.94
8.2.110.0070.00319.16
8.2.100.0100.00317.84
8.2.90.0000.00819.29
8.2.80.0000.00917.97
8.2.70.0030.00617.62
8.2.60.0040.00418.05
8.2.50.0040.00418.07
8.2.40.0070.00418.34
8.2.30.0000.00718.23
8.2.20.0040.00417.79
8.2.10.0000.00718.22
8.2.00.0020.00517.69
8.1.280.0070.01425.92
8.1.270.0040.00423.96
8.1.260.0000.00926.35
8.1.250.0070.00028.09
8.1.240.0030.00622.07
8.1.230.0040.00718.93
8.1.220.0000.00817.91
8.1.210.0040.00718.77
8.1.200.0040.00717.48
8.1.190.0000.00917.48
8.1.180.0040.00418.10
8.1.170.0040.00418.59
8.1.160.0000.00722.09
8.1.150.0050.00318.96
8.1.140.0000.00817.44
8.1.130.0000.00717.86
8.1.120.0000.00717.46
8.1.110.0050.00317.46
8.1.100.0070.00017.38
8.1.90.0000.00817.50
8.1.80.0040.00417.38
8.1.70.0000.00717.44
8.1.60.0040.00417.65
8.1.50.0030.00617.59
8.1.40.0030.00617.43
8.1.30.0000.00817.57
8.1.20.0040.00417.57
8.1.10.0040.00417.59
8.1.00.0050.00317.47
8.0.300.0070.00020.08
8.0.290.0030.00616.88
8.0.280.0040.00418.54
8.0.270.0080.00017.29
8.0.260.0000.00817.29
8.0.250.0040.00416.87
8.0.240.0000.00716.90
8.0.230.0020.00516.90
8.0.220.0000.00716.82
8.0.210.0000.00816.89
8.0.200.0000.00716.94
8.0.190.0000.00817.02
8.0.180.0030.00616.98
8.0.170.0040.00416.88
8.0.160.0040.00416.87
8.0.150.0000.00716.91
8.0.140.0090.00016.84
8.0.130.0030.00313.29
8.0.120.0090.00016.91
8.0.110.0040.00416.85
8.0.100.0040.00416.73
8.0.90.0000.00816.81
8.0.80.0090.01416.95
8.0.70.0000.00716.88
8.0.60.0020.00516.90
8.0.50.0000.00816.74
8.0.30.0080.01117.02
8.0.20.0090.00817.40
8.0.10.0040.00417.07
8.0.00.0110.00916.90
7.4.330.0000.00615.00
7.4.320.0000.00716.46
7.4.300.0000.00716.44
7.4.290.0030.00316.55
7.4.280.0000.00816.59
7.4.270.0050.00316.55
7.4.260.0060.00316.43
7.4.250.0040.00416.43
7.4.240.0030.00516.54
7.4.230.0040.00416.64
7.4.220.0120.00616.65
7.4.210.0080.00516.60
7.4.200.0040.00416.75
7.4.160.0220.00016.52
7.4.150.0140.00417.40
7.4.140.0090.01217.86
7.4.130.0090.00816.61
7.4.120.0100.01416.51
7.4.110.0100.00716.36
7.4.100.0040.01416.52
7.4.90.0100.00716.52
7.4.80.0050.01119.39
7.4.70.0110.00916.53
7.4.60.0070.01116.55
7.4.50.0030.00316.50
7.4.40.0040.01416.43
7.4.30.0090.00616.56
7.4.10.0080.00814.98
7.4.00.0050.01215.00
7.3.330.0060.00013.39
7.3.320.0000.00513.22
7.3.310.0000.00716.43
7.3.300.0070.00016.42
7.3.290.0100.00316.32
7.3.280.0110.00616.39
7.3.270.0120.00617.40
7.3.260.0200.00016.70
7.3.250.0130.00516.41
7.3.240.0120.00916.45
7.3.230.0070.01016.61
7.3.210.0120.00616.65
7.3.200.0150.00319.39
7.3.190.0090.01216.59
7.3.180.0150.00016.43
7.3.170.0110.01116.71
7.3.160.0040.01316.38
7.3.130.0090.00914.94
7.3.120.0060.01214.98
7.3.110.0100.00914.91
7.3.100.0080.00714.96
7.3.90.0060.00814.90
7.3.80.0060.00714.96
7.3.70.0030.00914.89
7.3.60.0070.00714.92
7.3.50.0080.00614.87
7.3.40.0080.00514.84
7.3.30.0030.01014.80
7.3.20.0060.00616.78
7.3.10.0060.00716.63
7.3.00.0070.00716.71
7.2.330.0110.00716.44
7.2.320.0130.00316.77
7.2.310.0110.01116.52
7.2.300.0080.00816.74
7.2.290.0100.00616.63
7.2.260.0060.01214.84
7.2.250.0080.01115.14
7.2.240.0050.01215.14
7.2.230.0070.00714.96
7.2.220.0060.00715.20
7.2.210.0080.00615.25
7.2.200.0060.00915.14
7.2.190.0050.00815.10
7.2.180.0030.01015.04
7.2.170.0030.00915.04
7.2.160.0050.00815.13
7.2.150.0030.00916.98
7.2.140.0030.01016.94
7.2.130.0070.00716.91
7.2.120.0070.00717.11
7.2.110.0070.00616.90
7.2.100.0070.00616.80
7.2.90.0040.00716.98
7.2.80.0060.00916.85
7.2.70.0040.00916.92
7.2.60.0080.00517.03
7.2.50.0030.01016.92
7.2.40.0050.00716.93
7.2.30.0030.01016.92
7.2.20.0070.00517.13
7.2.10.0060.00916.94
7.2.00.0040.00917.57
7.1.330.0020.01315.77
7.1.320.0070.00715.75
7.1.310.0070.00615.79
7.1.300.0050.00915.67
7.1.290.0030.01015.84
7.1.280.0070.00815.83
7.1.270.0040.01015.83
7.1.260.0080.00415.80
7.1.250.0060.01115.86
7.1.240.0050.00615.88
7.1.230.0070.00615.85
7.1.220.0060.00715.94
7.1.210.0070.00615.68
7.1.200.0070.00715.66
7.1.190.0050.00515.69
7.1.180.0040.00615.77
7.1.170.0050.00715.68
7.1.160.0060.00615.76
7.1.150.0070.00515.83
7.1.140.0060.00515.84
7.1.130.0070.00815.85
7.1.120.0060.00715.89
7.1.110.0050.00515.77
7.1.100.0060.00716.36
7.1.90.0050.00915.81
7.1.80.0090.00415.75
7.1.70.0050.00516.16
7.1.60.0040.00816.68
7.1.50.0040.01216.08
7.1.40.0050.00615.61
7.1.30.0040.01115.83
7.1.20.0040.00815.89
7.1.10.0050.00615.84
7.1.00.0020.02617.49
7.0.330.0040.01115.44
7.0.320.0070.00815.39
7.0.310.0050.00815.47
7.0.300.0060.00615.30
7.0.290.0070.00615.54
7.0.280.0070.00615.36
7.0.270.0040.01115.44
7.0.260.0060.00615.35
7.0.250.0050.00515.47
7.0.240.0020.00815.46
7.0.230.0050.00815.37
7.0.220.0040.00715.31
7.0.210.0020.01015.53
7.0.200.0020.00915.80
7.0.190.0030.00915.41
7.0.180.0070.00615.34
7.0.170.0060.00615.38
7.0.160.0040.01015.50
7.0.150.0000.00915.39
7.0.140.0040.02617.10
7.0.130.0010.01215.46
7.0.120.0080.00815.34
7.0.110.0050.00915.38
7.0.100.0040.01215.43
7.0.90.0020.01015.38
7.0.80.0020.00815.47
7.0.70.0060.00815.40
7.0.60.0040.02816.62
7.0.50.0050.01716.10
7.0.40.0060.01515.18
7.0.30.0130.02015.01
7.0.20.0090.01915.18
7.0.10.0070.01515.08
7.0.00.0050.02515.07
5.6.400.0050.00914.67
5.6.390.0060.00914.49
5.6.380.0040.00614.47
5.6.370.0070.00614.39
5.6.360.0060.00914.45
5.6.350.0050.00914.47
5.6.340.0030.01014.70
5.6.330.0030.00814.52
5.6.320.0070.00714.70
5.6.310.0080.00514.63
5.6.300.0050.00514.48
5.6.290.0070.00814.45
5.6.280.0050.02516.15
5.6.270.0030.01114.50
5.6.260.0070.00714.40
5.6.250.0020.01214.45
5.6.240.0100.00514.54
5.6.230.0040.01114.42
5.6.220.0070.00814.32
5.6.210.0070.01615.96
5.6.200.0080.02315.36
5.6.190.0110.01715.98
5.6.180.0120.01815.92
5.6.170.0090.02016.06
5.6.160.0070.02316.01
5.6.150.0100.02315.33
5.6.140.0030.02015.34
5.6.130.0060.01615.38
5.6.120.0080.02615.99
5.6.110.0050.03016.19
5.6.100.0080.01216.02
5.6.90.0050.01616.10
5.6.80.0050.01615.88
5.6.70.0040.01014.47
5.6.60.0060.01014.27
5.6.50.0070.00814.49
5.6.40.0050.00614.52
5.6.30.0050.01214.38
5.6.20.0060.00714.20
5.6.10.0060.00814.49
5.6.00.0070.00714.40
5.5.380.0050.00814.53
5.5.370.0050.01014.41
5.5.360.0030.01014.58
5.5.350.0110.02315.85
5.5.340.0040.01815.28
5.5.330.0080.02315.81
5.5.320.0160.01715.85
5.5.310.0090.02215.98
5.5.300.0050.02615.33
5.5.290.0050.01515.45
5.5.280.0040.03015.94
5.5.270.0080.02115.98
5.5.260.0060.02415.95
5.5.250.0080.02315.95
5.5.240.0080.02615.83
5.5.230.0040.01214.25
5.5.220.0090.00614.42
5.5.210.0070.00814.45
5.5.200.0060.01014.32
5.5.190.0010.01214.39
5.5.180.0080.00614.34
5.5.170.0060.00814.40
5.5.160.0040.00914.31
5.5.150.0090.00714.40
5.5.140.0080.00814.43
5.5.130.0050.00714.34
5.5.120.0030.01314.39
5.5.110.0010.01114.33
5.5.100.0070.01014.22
5.5.90.0080.00714.38
5.5.80.0040.01214.48
5.5.70.0060.01014.31
5.5.60.0070.00714.28
5.5.50.0060.01014.33
5.5.40.0090.00614.31
5.5.30.0040.01114.23
5.5.20.0050.01014.26
5.5.10.0060.00714.36
5.5.00.0040.00814.37
5.4.450.0130.01413.54
5.4.440.0190.01913.54
5.4.430.0020.02013.48
5.4.420.0030.02013.57
5.4.410.0050.02113.55
5.4.400.0070.01813.36
5.4.390.0060.02013.26
5.4.380.0040.02013.26
5.4.370.0040.01513.31
5.4.360.0070.01413.39
5.4.350.0020.01711.59
5.4.340.0040.01411.63
5.4.330.0000.01111.63
5.4.320.0050.01511.82
5.4.310.0030.01711.69
5.4.300.0060.01311.77
5.4.290.0060.01211.71
5.4.280.0050.01511.81
5.4.270.0070.01311.75
5.4.260.0040.01811.72
5.4.250.0060.01311.73
5.4.240.0050.01511.72
5.4.230.0040.01511.82
5.4.220.0040.01511.66
5.4.210.0060.01411.83
5.4.200.0060.01511.77
5.4.190.0050.01411.70
5.4.180.0030.01311.75
5.4.170.0070.01311.75
5.4.160.0050.01311.62
5.4.150.0050.01511.81
5.4.140.0060.01711.56
5.4.130.0030.01811.70
5.4.120.0040.01511.70
5.4.110.0040.01711.77
5.4.100.0050.01311.61
5.4.90.0020.01911.67
5.4.80.0050.01611.68
5.4.70.0040.02211.62
5.4.60.0030.01811.63
5.4.50.0050.01411.72
5.4.40.0070.01511.68
5.4.30.0040.01511.64
5.4.20.0040.01311.66
5.4.10.0030.01611.71
5.4.00.0050.01511.58
5.3.290.0110.04312.80
5.3.280.0050.03812.71
5.3.270.0070.03812.73
5.3.260.0050.04012.72
5.3.250.0070.03612.72
5.3.240.0060.04312.72
5.3.230.0060.04112.71
5.3.220.0060.03712.68
5.3.210.0060.03912.68
5.3.200.0030.03912.68
5.3.190.0040.03912.68
5.3.180.0040.03812.67
5.3.170.0060.03712.67
5.3.160.0060.03712.67
5.3.150.0100.04212.67
5.3.140.0060.03712.66
5.3.130.0080.04012.65
5.3.120.0050.04012.66
5.3.110.0020.04312.66
5.3.100.0060.03812.14
5.3.90.0070.03612.11
5.3.80.0040.03812.11
5.3.70.0070.03512.11
5.3.60.0080.03512.09
5.3.50.0090.04312.04
5.3.40.0090.04212.04
5.3.30.0070.03812.00
5.3.20.0070.03411.79
5.3.10.0050.03511.74
5.3.00.0050.03711.73
5.2.170.0050.0319.23
5.2.160.0060.0289.24
5.2.150.0040.0319.24
5.2.140.0040.0329.23
5.2.130.0070.0279.19
5.2.120.0060.0289.19
5.2.110.0050.0299.20
5.2.100.0040.0299.20
5.2.90.0070.0279.20
5.2.80.0050.0309.20
5.2.70.0030.0329.19
5.2.60.0050.0299.15
5.2.50.0070.0289.12
5.2.40.0070.0279.09
5.2.30.0070.0289.07
5.2.20.0050.0289.05
5.2.10.0060.0268.96
5.2.00.0040.0308.83
5.1.60.0030.0268.11
5.1.50.0060.0258.11
5.1.40.0040.0268.09
5.1.30.0080.0248.44
5.1.20.0070.0288.46
5.1.10.0060.0248.18
5.1.00.0010.0298.18
5.0.50.0040.0216.68
5.0.40.0050.0186.53
5.0.30.0050.0316.34
5.0.20.0040.0196.31
5.0.10.0030.0216.29
5.0.00.0010.0346.28
4.4.90.0010.0184.78
4.4.80.0040.0154.76
4.4.70.0050.0144.76
4.4.60.0010.0174.75
4.4.50.0010.0174.77
4.4.40.0020.0284.71
4.4.30.0040.0154.76
4.4.20.0040.0144.84
4.4.10.0010.0184.85
4.4.00.0020.0264.76
4.3.110.0020.0174.66
4.3.100.0020.0164.67
4.3.90.0030.0164.64
4.3.80.0030.0264.58
4.3.70.0010.0174.63
4.3.60.0050.0134.63
4.3.50.0050.0144.63
4.3.40.0010.0264.54
4.3.30.0010.0183.33
4.3.20.0010.0183.31
4.3.10.0030.0153.27
4.3.00.0000.02015.90

preferences:
50.12 ms | 401 KiB | 5 Q