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]; $val = (int)($val / $base); } return $str; } function gdr_decode($str) { $chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789!='; $base = strlen($chars); $map = array(); for ($i=0; i<$base; $i++) { $map[$chars[$i]] = $base; } $val = 0; for ($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) { $enc = json_encode(gdr_encode($val)); $dec = json_encode(gdr_decode($enc)); $val = json_encode($val); if (strlen($enc) > strlen($val)) { echo "$enc $val WORSE\n"; } else if (strlen($enc) == 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)
8.3.60.0000.01516.75
8.3.50.0100.00722.79
8.3.40.0150.00019.02
8.3.30.0130.00319.04
8.3.20.0050.00320.34
8.3.10.0080.00021.80
8.3.00.0050.00317.50
8.2.180.0130.00616.48
8.2.170.0090.00922.96
8.2.160.0110.00420.44
8.2.150.0050.00324.18
8.2.140.0040.01124.66
8.2.130.0040.00426.16
8.2.120.0000.00820.79
8.2.110.0050.00520.48
8.2.100.0110.00017.91
8.2.90.0040.00419.22
8.2.80.0050.00317.97
8.2.70.0030.00617.63
8.2.60.0000.00818.04
8.2.50.0000.00918.07
8.2.40.0030.00718.11
8.2.30.0040.00418.05
8.2.20.0030.00517.77
8.2.10.0070.00018.21
8.2.00.0040.00417.76
8.1.280.0070.00725.92
8.1.270.0100.00023.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00623.82
8.1.230.0070.00417.52
8.1.220.0000.00917.78
8.1.210.0080.00418.77
8.1.200.0030.00617.35
8.1.190.0050.00317.35
8.1.180.0040.00418.10
8.1.170.0030.00618.59
8.1.160.0000.00722.04
8.1.150.0050.00318.93
8.1.140.0000.00717.44
8.1.130.0030.00317.76
8.1.120.0040.00417.53
8.1.110.0000.00817.52
8.1.100.0040.00417.46
8.1.90.0040.00417.50
8.1.80.0040.00417.55
8.1.70.0000.01117.45
8.1.60.0040.00417.63
8.1.50.0030.00617.57
8.1.40.0000.00817.44
8.1.30.0080.00317.63
8.1.20.0050.00217.61
8.1.10.0040.00417.57
8.1.00.0000.00917.51
8.0.300.0050.00318.77
8.0.290.0040.00416.75
8.0.280.0000.00818.53
8.0.270.0050.00517.14
8.0.260.0000.01017.31
8.0.250.0000.00717.09
8.0.240.0030.00317.06
8.0.230.0070.00016.89
8.0.220.0040.00416.98
8.0.210.0000.00716.95
8.0.200.0040.00417.02
8.0.190.0030.00517.10
8.0.180.0000.00716.97
8.0.170.0080.00017.03
8.0.160.0050.00217.05
8.0.150.0040.00416.98
8.0.140.0000.00816.85
8.0.130.0000.00513.48
8.0.120.0030.00516.93
8.0.110.0000.00716.92
8.0.100.0050.00216.88
8.0.90.0070.00016.98
8.0.80.0110.00616.94
8.0.70.0050.00316.86
8.0.60.0040.00416.89
8.0.50.0070.00016.92
8.0.30.0110.01417.23
8.0.20.0080.01217.40
8.0.10.0000.00716.98
8.0.00.0050.01317.07
7.4.330.0040.00415.09
7.4.320.0050.00516.45
7.4.300.0060.00616.43
7.4.290.0130.00016.53
7.4.280.0060.00316.50
7.4.270.0000.01116.43
7.4.260.0040.00416.40
7.4.250.0000.00816.47
7.4.240.0050.00416.46
7.4.230.0000.01016.29
7.4.220.0120.00616.48
7.4.210.0050.01416.37
7.4.200.0000.00716.54
7.4.160.0240.01216.53
7.4.150.0140.00717.40
7.4.140.0070.01417.86
7.4.130.0130.01316.54
7.4.120.0190.01116.41
7.4.110.0120.00816.35
7.4.100.0320.00716.38
7.4.90.0260.00716.50
7.4.80.0110.03319.39
7.4.70.0270.01216.57
7.4.60.0110.01116.57
7.4.50.0000.00416.54
7.4.40.0100.01616.40
7.4.30.0140.00816.26
7.4.00.0100.00314.57
7.3.330.0030.00313.39
7.3.320.0050.00013.46
7.3.310.0050.00316.47
7.3.300.0000.00716.20
7.3.290.0050.01416.35
7.3.280.0100.00716.31
7.3.270.0320.00417.40
7.3.260.0170.01716.67
7.3.250.0110.00916.41
7.3.240.0110.01316.64
7.3.230.0320.01316.53
7.3.210.0110.00916.49
7.3.200.0210.00919.39
7.3.190.0360.03016.40
7.3.180.0120.00916.52
7.3.170.0210.02116.30
7.3.160.0450.01516.44
7.2.330.0370.01616.79
7.2.320.0460.01916.73
7.2.310.0100.02116.45
7.2.300.0260.01116.71
7.2.290.0370.03016.84
7.2.80.0090.00616.43
7.2.60.0030.01017.00
7.1.200.0130.00015.95
7.1.70.0000.00917.23
7.1.60.0100.01319.40
7.1.50.0130.01317.16
7.1.00.0130.07022.34
7.0.200.0070.00216.57
7.0.140.0070.07321.95
7.0.80.0430.07320.02
7.0.70.0230.08719.96
7.0.60.0600.07019.96
7.0.50.0500.07020.30
7.0.40.0130.07020.08
7.0.30.0030.05720.07
7.0.20.0030.03320.13
7.0.10.0170.05020.09
7.0.00.0070.06720.10
5.6.280.0130.06720.88
5.6.230.0070.08020.52
5.6.220.0100.03720.58
5.6.210.0070.03720.60
5.6.200.0030.08321.08
5.6.190.0070.05021.07
5.6.180.0130.07721.09
5.6.170.0070.04021.08
5.6.160.0100.03721.04
5.6.150.0100.03721.13
5.6.140.0030.03320.96
5.6.130.0000.03721.13
5.6.120.0100.08321.04
5.6.110.0100.08321.11
5.6.100.0070.07021.06
5.6.90.0170.07721.06
5.6.80.0070.07320.51
5.6.70.0100.04720.35
5.6.60.0170.07320.42
5.6.50.0100.04320.43
5.6.40.0030.04320.33
5.6.30.0070.05320.46
5.6.20.0130.06020.39
5.6.10.0100.08320.41
5.6.00.0070.06720.49
5.5.370.0070.08020.37
5.5.360.0000.05020.41
5.5.350.0070.06320.45
5.5.340.0100.08720.94
5.5.330.0100.07320.91
5.5.320.0100.08320.88
5.5.310.0070.03320.82
5.5.300.0100.02720.81
5.5.290.0100.03020.95
5.5.280.0030.08320.81
5.5.270.0070.07020.77
5.5.260.0070.05020.74
5.5.250.0230.07020.59
5.5.240.0070.05320.30
5.5.230.0070.08720.29
5.5.220.0100.08020.30
5.5.210.0100.05720.25
5.5.200.0070.07320.26
5.5.190.0030.06020.14
5.5.180.0100.07320.28
5.5.160.0100.07720.21
5.5.150.0070.07320.01
5.5.140.0030.07020.14
5.5.130.0070.06020.25
5.5.120.0000.09020.00
5.5.110.0200.07020.14
5.5.100.0070.07020.13
5.5.90.0130.07719.93
5.5.80.0130.06720.03
5.5.70.0130.04320.08
5.5.60.0100.03720.17
5.5.50.0030.07320.02
5.5.40.0100.07320.05
5.5.30.0130.06719.95
5.5.20.0100.08020.10
5.5.10.0170.07020.07
5.5.00.0130.06720.03
5.4.450.0030.03319.28
5.4.440.0030.08019.23
5.4.430.0130.07319.41
5.4.420.0000.04719.45
5.4.410.0100.07719.20
5.4.400.0070.07719.05
5.4.390.0100.07719.00
5.4.380.0100.06018.80
5.4.370.0070.07319.05
5.4.360.0130.07018.91
5.4.350.0070.03719.00
5.4.340.0030.07718.97
5.4.320.0130.07718.95
5.4.310.0030.04318.98
5.4.300.0100.05018.89
5.4.290.0070.07718.79
5.4.280.0100.07718.94
5.4.270.0000.07318.94
5.4.260.0070.07719.02
5.4.250.0070.06018.80
5.4.240.0100.07719.00
5.4.230.0070.08719.04
5.4.220.0070.08018.96
5.4.210.0130.07019.02
5.4.200.0100.07719.05
5.4.190.0100.07019.15
5.4.180.0200.06018.98
5.4.170.0070.06018.84
5.4.160.0100.07318.89
5.4.150.0130.07019.15
5.4.140.0070.08016.25
5.4.130.0000.06316.32
5.4.120.0100.05316.19
5.4.110.0200.06316.32
5.4.100.0130.05316.34
5.4.90.0130.07316.50
5.4.80.0130.05716.43
5.4.70.0070.07016.29
5.4.60.0130.04316.47
5.4.50.0130.06316.25
5.4.40.0030.05016.26
5.4.30.0100.07016.43
5.4.20.0030.07016.37
5.4.10.0100.07016.38
5.4.00.0070.03316.02

preferences:
51.29 ms | 401 KiB | 5 Q