3v4l.org

run code in 300+ PHP versions simultaneously
<?php $hash = str_pad(dechex(999), 10, "0", STR_PAD_LEFT); $hash = implode(str_split($hash, 2), '/'); $hash2 = substr_replace($hash, 'f', 0, 1); printf("hash = %s, new hash = %s", $hash, $hash2);

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)
8.3.60.0070.01318.56
8.3.50.0080.01121.92
8.3.40.0000.01518.82
8.3.30.0060.01518.84
8.3.20.0030.00518.75
8.3.10.0040.00421.09
8.3.00.0040.00423.66
8.2.180.0110.01116.88
8.2.170.0080.00818.96
8.2.160.0080.00620.35
8.2.150.0000.00824.18
8.2.140.0060.00324.66
8.2.130.0030.00626.16
8.2.120.0000.00720.94
8.2.110.0090.00019.39
8.2.100.0060.00617.72
8.2.90.0060.00317.63
8.2.80.0040.00418.66
8.2.70.0040.00417.50
8.2.60.0030.00717.59
8.2.50.0040.00419.39
8.2.40.0030.00620.98
8.2.30.0040.00419.18
8.2.20.0000.00817.54
8.2.10.0040.00417.68
8.2.00.0000.00717.73
8.1.280.0120.00625.92
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.01021.86
8.1.230.0080.00420.92
8.1.220.0040.00417.74
8.1.210.0000.00918.77
8.1.200.0050.00317.35
8.1.190.0050.00317.23
8.1.180.0040.00418.99
8.1.170.0000.00818.51
8.1.160.0030.00518.97
8.1.150.0050.00318.57
8.1.140.0000.00917.43
8.1.130.0000.00817.74
8.1.120.0000.00717.40
8.1.110.0070.00017.35
8.1.100.0030.00517.36
8.1.90.0000.00717.26
8.1.80.0040.00417.45
8.1.70.0040.00417.36
8.1.60.0040.00417.55
8.1.50.0000.00717.36
8.1.40.0030.00617.52
8.1.30.0060.00317.66
8.1.20.0050.00317.55
8.1.10.0020.00517.59
8.1.00.0000.00817.48
8.0.300.0040.00418.84
8.0.290.0050.00216.75
8.0.280.0030.00318.38
8.0.270.0030.00317.11
8.0.260.0000.00816.69
8.0.250.0080.00016.96
8.0.240.0030.00716.98
8.0.230.0000.00716.86
8.0.220.0000.00716.77
8.0.210.0030.00316.79
8.0.200.0030.00616.82
8.0.190.0000.00716.82
8.0.180.0000.00716.81
8.0.170.0070.00016.98
8.0.160.0000.00716.97
8.0.150.0050.00316.94
8.0.140.0040.00416.91
8.0.130.0000.00713.20
8.0.120.0050.00316.76
8.0.110.0040.00416.71
8.0.100.0040.00416.92
8.0.90.0000.00716.88
8.0.80.0030.01216.85
8.0.70.0040.00416.70
8.0.60.0040.00416.91
8.0.50.0000.00716.74
8.0.30.0140.00817.03
8.0.20.0120.00917.40
8.0.10.0000.00717.08
8.0.00.0090.00816.78
7.4.330.0020.00214.76
7.4.320.0000.00616.55
7.4.300.0030.00316.43
7.4.290.0000.00716.36
7.4.280.0000.00716.51
7.4.270.0030.00316.57
7.4.260.0060.00013.11
7.4.250.0040.00416.50
7.4.240.0040.00416.55
7.4.230.0070.00016.33
7.4.220.0100.01016.43
7.4.210.0120.00416.46
7.4.200.0030.00316.28
7.4.190.0030.00616.68
7.4.160.0090.00616.43
7.4.150.0060.01117.40
7.4.140.0120.00817.86
7.4.130.0090.00816.50
7.4.120.0100.00716.55
7.4.110.0130.00316.38
7.4.100.0180.00016.34
7.4.90.0160.00716.47
7.4.80.0110.00719.39
7.4.70.0160.00416.34
7.4.60.0070.01016.41
7.4.50.0000.00916.41
7.4.40.0090.00622.77
7.4.30.0120.00616.45
7.4.00.0060.01015.07
7.3.330.0000.00512.93
7.3.320.0030.00312.98
7.3.310.0030.00315.98
7.3.300.0030.00316.13
7.3.290.0120.00616.12
7.3.280.0100.00816.14
7.3.270.0040.01317.40
7.3.260.0070.01118.24
7.3.250.0140.00516.22
7.3.240.0060.00916.22
7.3.230.0090.00616.43
7.3.210.0110.00516.02
7.3.200.0100.00719.39
7.3.190.0100.00616.25
7.3.180.0160.00016.23
7.3.170.0090.00616.27
7.3.160.0150.00416.10
7.3.120.0100.00314.68
7.2.330.0100.00716.31
7.2.320.0090.01316.61
7.2.310.0070.01016.31
7.2.300.0100.00716.35
7.2.290.0120.00416.56
7.2.60.0030.00916.65
7.1.200.0070.00315.79
7.1.100.0030.01018.14
7.1.70.0000.00817.23
7.1.60.0140.01019.40
7.1.50.0040.00716.94
7.1.00.0000.04322.30
7.0.200.0100.00316.76
7.0.140.0070.07321.93
7.0.110.0130.07320.04
7.0.100.0130.08320.07
7.0.90.0130.07720.06
7.0.80.0070.06319.93
7.0.70.0100.08019.97
7.0.60.0130.07319.89
7.0.50.0130.06319.92
7.0.40.0100.07319.65
7.0.30.0030.06319.73
7.0.20.0100.07319.70
7.0.10.0100.07719.67
7.0.00.0130.06719.71
5.6.280.0030.07320.77
5.6.260.0070.07720.69
5.6.250.0070.08320.68
5.6.240.0100.08320.46
5.6.230.0030.08320.69
5.6.220.0130.08720.61
5.6.210.0300.06720.72
5.6.200.0070.08320.61
5.6.190.0070.07720.70
5.6.180.0170.06720.55
5.6.170.0070.08020.70
5.6.160.0170.07020.55
5.6.150.0030.08720.55
5.6.140.0170.07720.85
5.6.130.0070.04720.46
5.6.120.0030.08320.69
5.6.110.0130.07020.69
5.6.100.0130.06320.84
5.6.90.0030.08320.62
5.6.80.0100.07719.94
5.6.70.0170.07020.07
5.6.60.0030.07719.95
5.6.50.0100.07319.86
5.6.40.0130.07319.91
5.6.30.0100.07719.98
5.6.20.0100.08019.97
5.6.10.0130.05319.82
5.6.00.0000.05320.05
5.5.380.0100.08017.63
5.5.370.0030.06717.56
5.5.360.0100.08317.52
5.5.350.0030.07717.75
5.5.340.0100.07318.17
5.5.330.0130.03317.85
5.5.320.0170.06017.77
5.5.310.0100.07318.25
5.5.300.0070.08318.13
5.5.290.0070.05017.86
5.5.280.0030.08718.15
5.5.270.0100.08018.02
5.5.260.0100.05318.09
5.5.250.0030.05317.93
5.5.240.0100.07017.41
5.5.230.0070.07717.54
5.5.220.0000.08317.47
5.5.210.0070.07317.23
5.5.200.0070.07317.38
5.5.190.0100.07717.12
5.5.180.0070.07317.36
5.5.160.0130.06717.22
5.5.150.0000.08017.33
5.5.140.0030.06717.47
5.5.130.0130.07017.44
5.5.120.0070.04717.21
5.5.110.0130.06717.21
5.5.100.0000.07317.42
5.5.90.0170.05017.02
5.5.80.0130.04317.27
5.5.70.0030.08017.13
5.5.60.0070.07717.09
5.5.50.0030.07017.23
5.5.40.0100.06317.10
5.5.30.0030.07017.34
5.5.20.0230.06317.34
5.5.10.0000.06017.00
5.5.00.0070.07717.36
5.4.450.0100.08019.28
5.4.440.0170.07719.40
5.4.430.0030.08319.35
5.4.420.0230.06319.27
5.4.410.0100.07719.27
5.4.400.0070.07719.12
5.4.390.0170.06719.13
5.4.380.0100.07019.03
5.4.370.0100.07718.93
5.4.360.0100.07019.20
5.4.350.0070.07319.08
5.4.340.0070.04718.95
5.4.320.0170.06719.03
5.4.310.0100.05719.01
5.4.300.0130.07019.00
5.4.290.0030.07319.25
5.4.280.0070.08019.11
5.4.270.0100.07019.00
5.4.260.0100.05019.02
5.4.250.0100.04319.11
5.4.240.0100.06718.98
5.4.230.0030.08318.97
5.4.220.0070.08018.90
5.4.210.0070.07718.92
5.4.200.0000.08718.99
5.4.190.0070.06319.00
5.4.180.0100.06718.89
5.4.170.0100.07719.16
5.4.160.0130.07019.14
5.4.150.0130.06719.05
5.4.140.0030.04716.31
5.4.130.0100.03316.48
5.4.120.0030.07316.21
5.4.110.0100.05316.36
5.4.100.0030.06316.40
5.4.90.0030.05016.28
5.4.80.0070.07016.27
5.4.70.0000.04716.39
5.4.60.0030.07716.35
5.4.50.0030.06016.50
5.4.40.0030.04016.55
5.4.30.0070.04716.48
5.4.20.0030.03716.34
5.4.10.0030.07316.16
5.4.00.0030.04315.89
5.3.290.0030.08014.54
5.3.280.0170.06714.38
5.3.270.0130.06014.62
5.3.260.0070.07714.45
5.3.250.0030.07714.49
5.3.240.0130.07014.56
5.3.230.0200.05314.48
5.3.220.0130.06014.45
5.3.210.0100.06714.39
5.3.200.0070.07314.50
5.3.190.0070.07314.45
5.3.180.0100.07014.45
5.3.170.0030.08014.35
5.3.160.0130.03714.41
5.3.150.0130.06714.46
5.3.140.0000.05014.34
5.3.130.0070.06714.54
5.3.120.0070.05714.43
5.3.110.0100.07014.47
5.3.100.0130.03714.05
5.3.90.0030.07713.88
5.3.80.0030.07714.07
5.3.70.0030.08013.96
5.3.60.0170.06014.01
5.3.50.0030.08014.00
5.3.40.0070.07313.86
5.3.30.0030.04013.83
5.3.20.0070.04313.50
5.3.10.0000.07313.72
5.3.00.0130.05313.58
5.2.170.0000.06711.04
5.2.160.0030.04011.04
5.2.150.0070.05711.21
5.2.140.0130.05711.21
5.2.130.0000.03310.98
5.2.120.0000.03011.04
5.2.110.0070.06310.99
5.2.100.0100.05711.16
5.2.90.0070.03311.00
5.2.80.0100.04711.04
5.2.70.0130.05311.09
5.2.60.0070.05711.04
5.2.50.0070.05710.80
5.2.40.0000.06310.98
5.2.30.0070.04010.91
5.2.20.0100.07010.88
5.2.10.0070.05710.93
5.2.00.0130.05310.71
5.1.60.0000.0579.93
5.1.50.0030.0579.95
5.1.40.0070.0379.88
5.1.30.0030.05710.33
5.1.20.0070.05010.44
5.1.10.0030.0609.95
5.1.00.0000.0479.97
5.0.50.0030.0409.72
5.0.40.0070.0439.72
5.0.30.0000.0709.72
5.0.20.0000.0509.72
5.0.10.0000.0279.72
5.0.00.0030.0639.72
4.4.90.0070.0309.72
4.4.80.0030.0309.72
4.4.70.0030.0309.72
4.4.60.0030.0209.72
4.4.50.0030.0279.72
4.4.40.0000.0539.72
4.4.30.0000.0379.72
4.4.20.0070.0309.72
4.4.10.0000.0409.72
4.4.00.0030.0439.72
4.3.110.0070.0309.72
4.3.100.0030.0379.72
4.3.90.0030.0379.72
4.3.80.0070.0509.72
4.3.70.0100.0239.72
4.3.60.0070.0309.72
4.3.50.0030.0339.72
4.3.40.0030.0539.72
4.3.30.0000.0309.72
4.3.20.0030.0309.72
4.3.10.0000.0209.72
4.3.00.0000.0379.72

preferences:
37.16 ms | 401 KiB | 5 Q