3v4l.org

run code in 300+ PHP versions simultaneously
<?php function pack_encode($format, $val) { $base64 = base64_encode(pack($format, $val)); return str_replace(array('/', '='), array('_', ''), $base64); } function pack_decode($format, $val) { } function pack_encode_uint16($val) { return pack_encode('S', $val); } function pack_encode_uint32($val) { return pack_encode('N', $val); } function pack_decode_uint16($val) { return pack_decode('S', $val); } function pack_decode_uint32($val) { return pack_decode('N', $val); } $max = 32767; $n = 20; $step = intval($max/$n); for ($i=0; $i<=$n; $i++) { $val = $i*$step; $uint16 = pack_encode_uint16($val); $uint32 = pack_encode_uint32($val); $str = base64_encode(strval($val)); // BAD echo json_encode("$uint16 $uint32 $str $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)
8.3.60.0100.01016.75
8.3.50.0130.00822.88
8.3.40.0110.00318.67
8.3.30.0070.00719.14
8.3.20.0040.00420.32
8.3.10.0000.00721.86
8.3.00.0030.00617.38
8.2.180.0150.00016.63
8.2.170.0110.00322.96
8.2.160.0070.00720.21
8.2.150.0050.00324.18
8.2.140.0030.00524.66
8.2.130.0150.00326.16
8.2.120.0050.00220.96
8.2.110.0030.00622.20
8.2.100.0090.00321.01
8.2.90.0030.00619.23
8.2.80.0030.00517.97
8.2.70.0040.00417.50
8.2.60.0030.00617.80
8.2.50.0030.00518.07
8.2.40.0000.00818.22
8.2.30.0030.00618.07
8.2.20.0000.00717.80
8.2.10.0060.00318.09
8.2.00.0040.00417.76
8.1.280.0070.01025.92
8.1.270.0000.00923.93
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00623.95
8.1.230.0070.00419.22
8.1.220.0030.00517.77
8.1.210.0000.00818.77
8.1.200.0030.00717.23
8.1.190.0030.00517.22
8.1.180.0060.00318.10
8.1.170.0090.00018.66
8.1.160.0040.00422.02
8.1.150.0070.00018.93
8.1.140.0050.00317.33
8.1.130.0040.00417.75
8.1.120.0030.00417.50
8.1.110.0040.00417.50
8.1.100.0000.00717.45
8.1.90.0000.00717.46
8.1.80.0040.00417.47
8.1.70.0050.00517.42
8.1.60.0000.00917.65
8.1.50.0040.00417.56
8.1.40.0030.00617.50
8.1.30.0100.00017.71
8.1.20.0000.00817.61
8.1.10.0040.00417.41
8.1.00.0000.01017.46
8.0.300.0050.00218.77
8.0.290.0000.00816.75
8.0.280.0050.00318.45
8.0.270.0000.00917.20
8.0.260.0000.00717.18
8.0.250.0030.00416.95
8.0.240.0070.00016.85
8.0.230.0030.00416.90
8.0.220.0030.00316.93
8.0.210.0000.00716.87
8.0.200.0070.00417.00
8.0.190.0050.00317.00
8.0.180.0000.00716.78
8.0.170.0050.00316.96
8.0.160.0050.00316.93
8.0.150.0070.00016.84
8.0.140.0040.00416.86
8.0.130.0060.00013.41
8.0.120.0040.00416.85
8.0.110.0000.00716.93
8.0.100.0070.00016.93
8.0.90.0030.00516.74
8.0.80.0070.01416.89
8.0.70.0050.00316.79
8.0.60.0000.00716.77
8.0.50.0000.00716.80
8.0.30.0140.00517.03
8.0.20.0090.01117.40
8.0.10.0000.00717.13
8.0.00.0060.01116.77
7.4.330.0000.00515.09
7.4.320.0000.00616.53
7.4.300.0000.00716.38
7.4.290.0030.00316.51
7.4.280.0030.00516.49
7.4.270.0040.00316.58
7.4.260.0080.00016.54
7.4.250.0070.00016.46
7.4.240.0020.00516.49
7.4.230.0030.00316.46
7.4.220.0110.00716.57
7.4.210.0030.01016.53
7.4.200.0040.00316.36
7.4.160.0150.00916.29
7.4.150.0120.00617.40
7.4.140.0100.01017.86
7.4.130.0080.00816.57
7.4.120.0070.01116.57
7.4.110.0060.01516.45
7.4.100.0110.00816.41
7.4.90.0060.01216.66
7.4.80.0110.00719.39
7.4.70.0110.00616.54
7.4.60.0030.01316.60
7.4.50.0040.00416.60
7.4.40.0160.00316.54
7.4.30.0070.01016.37
7.4.00.0070.01015.23
7.3.330.0050.00013.17
7.3.320.0000.00613.21
7.3.310.0040.00416.49
7.3.300.0070.00016.21
7.3.290.0030.01016.30
7.3.280.0090.00816.37
7.3.270.0090.00917.40
7.3.260.0110.00716.44
7.3.250.0040.01516.51
7.3.240.0090.00716.67
7.3.230.0000.01816.62
7.3.210.0110.00616.59
7.3.200.0030.02119.39
7.3.190.0090.01316.45
7.3.180.0120.00616.69
7.3.170.0040.01216.71
7.3.160.0120.00416.39
7.3.10.0070.00716.42
7.3.00.0090.00616.70
7.2.330.0070.01116.76
7.2.320.0060.01216.46
7.2.310.0040.01216.48
7.2.300.0090.00616.52
7.2.290.0170.00016.63
7.2.130.0000.01116.74
7.2.120.0040.00816.87
7.2.110.0090.00916.85
7.2.100.0030.00916.92
7.2.90.0000.01616.91
7.2.80.0060.01016.99
7.2.70.0070.00417.07
7.2.60.0090.00616.79
7.2.50.0000.01416.95
7.2.40.0060.00316.97
7.2.30.0060.00916.88
7.2.20.0100.00717.02
7.2.10.0100.00316.80
7.2.00.0030.00918.17
7.1.250.0000.01415.63
7.1.100.0070.00718.20
7.1.70.0040.00417.06
7.1.60.0070.01819.40
7.1.50.0070.00717.06
7.1.00.0030.07722.36
7.0.200.0000.00716.80
7.0.140.0000.07722.07
7.0.90.0670.08320.03
7.0.80.0500.07719.92
7.0.70.0400.07319.96
7.0.60.0500.08720.09
7.0.50.0500.06020.26
7.0.40.0130.07720.04
7.0.30.0130.08020.07
7.0.20.0130.07320.15
7.0.10.0100.07319.95
7.0.00.0070.03320.11
5.6.280.0000.07720.91
5.6.240.0170.07320.68
5.6.230.0170.07720.68
5.6.220.0030.06020.50
5.6.210.0030.07720.45
5.6.200.0130.07721.13
5.6.190.0100.08021.14
5.6.180.0100.07021.03
5.6.170.0130.07021.18
5.6.160.0100.07721.04
5.6.150.0130.06320.96
5.6.140.0100.07721.09
5.6.130.0000.09320.94
5.6.120.0100.07721.09
5.6.110.0170.07021.11
5.6.100.0100.08321.05
5.6.90.0070.08021.12
5.6.80.0070.07720.51
5.6.70.0070.05720.47
5.6.60.0200.07020.32
5.6.50.0130.06020.40
5.6.40.0070.07320.37
5.6.30.0100.07720.41
5.6.20.0130.07320.49
5.6.10.0100.07720.46
5.6.00.0070.05020.36
5.5.380.0070.07720.47
5.5.370.0030.07020.43
5.5.360.0100.05020.35
5.5.350.0000.08020.41
5.5.340.0070.08320.74
5.5.330.0170.07320.77
5.5.320.0100.06020.79
5.5.310.0130.06720.83
5.5.300.0100.06720.79
5.5.290.0030.04020.89
5.5.280.0070.07320.79
5.5.270.0100.08320.90
5.5.260.0100.07320.88
5.5.250.0130.07320.71
5.5.240.0100.08020.17
5.5.230.0000.05020.30
5.5.220.0070.06720.31
5.5.210.0030.06720.27
5.5.200.0070.07720.22
5.5.190.0100.07320.18
5.5.180.0000.05720.29
5.5.160.0030.04720.04
5.5.150.0130.07720.13
5.5.140.0130.04720.12
5.5.130.0100.08020.25
5.5.120.0100.08020.27
5.5.110.0070.07019.99
5.5.100.0070.06320.18
5.5.90.0100.07320.12
5.5.80.0030.05720.18
5.5.70.0200.05320.01
5.5.60.0070.04720.11
5.5.50.0070.07020.06
5.5.40.0200.06319.95
5.5.30.0070.08320.09
5.5.20.0070.06320.06
5.5.10.0170.06320.07
5.5.00.0130.07320.07
5.4.450.0030.05319.36
5.4.440.0030.07019.45
5.4.430.0130.06719.36
5.4.420.0070.04719.36
5.4.410.0200.06719.07
5.4.400.0230.06319.21
5.4.390.0070.07319.13
5.4.380.0100.07319.15
5.4.370.0070.06718.95
5.4.360.0170.07319.09
5.4.350.0030.08019.03
5.4.340.0030.08019.14
5.4.320.0030.04719.16
5.4.310.0070.08019.16
5.4.300.0030.04319.12
5.4.290.0070.07319.04
5.4.280.0030.06019.13
5.4.270.0130.05319.10
5.4.260.0070.07719.23
5.4.250.0070.08019.08
5.4.240.0070.07019.12
5.4.230.0000.04718.87
5.4.220.0070.07719.09
5.4.210.0070.05019.03
5.4.200.0070.07719.04
5.4.190.0030.08019.11
5.4.180.0070.08019.15
5.4.170.0030.04319.11
5.4.160.0070.07319.16
5.4.150.0130.05019.12
5.4.140.0030.07016.44
5.4.130.0070.07316.43
5.4.120.0030.07716.45
5.4.110.0170.06316.39
5.4.100.0070.07316.40
5.4.90.0030.07716.52
5.4.80.0030.06316.43
5.4.70.0030.07716.43
5.4.60.0030.04316.40
5.4.50.0000.05716.42
5.4.40.0100.06716.54
5.4.30.0100.06716.45
5.4.20.0100.07016.45
5.4.10.0070.06716.41
5.4.00.0030.07015.73
5.3.290.0070.07314.64
5.3.280.0070.07014.73
5.3.270.0070.06714.63
5.3.260.0000.07714.64
5.3.250.0070.04714.61
5.3.240.0030.07714.62
5.3.230.0130.07014.75
5.3.220.0100.06714.64
5.3.210.0100.06314.57
5.3.200.0100.07314.64
5.3.190.0030.06014.71
5.3.180.0030.04714.64
5.3.170.0070.07314.70
5.3.160.0070.07314.52
5.3.150.0030.06314.69
5.3.140.0070.07314.68
5.3.130.0100.07314.58
5.3.120.0100.07314.59
5.3.110.0030.08014.68
5.3.100.0070.07314.07
5.3.90.0030.06714.04
5.3.80.0100.07014.00
5.3.70.0030.07714.08
5.3.60.0130.05714.02
5.3.50.0030.08313.89
5.3.40.0100.07314.02
5.3.30.0070.07014.06
5.3.20.0030.04013.76
5.3.10.0000.04313.77
5.3.00.0130.06713.60
5.2.170.0030.06311.14
5.2.160.0030.05711.29
5.2.150.0100.05711.17
5.2.140.0070.05011.08
5.2.130.0030.06311.14
5.2.120.0070.05311.22
5.2.110.0030.06310.97
5.2.100.0030.06711.14
5.2.90.0130.05310.97
5.2.80.0070.06011.17
5.2.70.0100.05711.00
5.2.60.0000.05711.09
5.2.50.0100.04311.09
5.2.40.0030.04011.04
5.2.30.0030.04711.01
5.2.20.0030.06010.97
5.2.10.0070.04310.87
5.2.00.0070.03010.84
5.1.60.0070.04710.09
5.1.50.0030.05710.00
5.1.40.0070.0539.97
5.1.30.0100.05310.30
5.1.20.0100.05310.43
5.1.10.0070.05310.20
5.1.00.0000.05710.11
5.0.50.0100.0438.64
5.0.40.0070.0408.49
5.0.30.0000.0508.34
5.0.20.0070.0408.27
5.0.10.0070.0338.18
5.0.00.0030.0438.02
4.4.90.0030.0337.31
4.4.80.0030.0337.31
4.4.70.0000.0337.31
4.4.60.0030.0377.31
4.4.50.0000.0377.31
4.4.40.0000.0577.31
4.4.30.0070.0307.31
4.4.20.0030.0337.31
4.4.10.0070.0337.31
4.4.00.0000.0307.31
4.3.110.0000.0377.31
4.3.100.0000.0207.31
4.3.90.0070.0307.31
4.3.80.0000.0307.31
4.3.70.0070.0307.31
4.3.60.0030.0207.31
4.3.50.0030.0307.31
4.3.40.0000.0537.31
4.3.30.0000.0377.31
4.3.20.0000.0337.31
4.3.10.0000.0307.31
4.3.00.0030.0337.31

preferences:
42.92 ms | 401 KiB | 5 Q