3v4l.org

run code in 300+ PHP versions simultaneously
<?php $hash = str_pad(dechex(18583), 8, "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)
8.3.60.0130.00318.43
8.3.50.0160.00921.98
8.3.40.0100.00718.72
8.3.30.0090.00619.05
8.3.20.0100.00720.29
8.3.10.0080.00023.57
8.3.00.0040.00420.64
8.2.180.0030.01516.50
8.2.170.0150.00622.96
8.2.160.0100.01022.12
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0090.00026.16
8.2.120.0070.00419.36
8.2.110.0060.00319.27
8.2.100.0000.01217.58
8.2.90.0040.00419.27
8.2.80.0040.00417.97
8.2.70.0050.00317.50
8.2.60.0000.00917.93
8.2.50.0040.00418.10
8.2.40.0000.00820.55
8.2.30.0040.00419.14
8.2.20.0000.00817.71
8.2.10.0000.00817.74
8.2.00.0040.00417.69
8.1.280.0090.00625.92
8.1.270.0000.00823.78
8.1.260.0070.00026.35
8.1.250.0060.00328.09
8.1.240.0030.00623.92
8.1.230.0060.00617.82
8.1.220.0000.00817.74
8.1.210.0090.00018.77
8.1.200.0030.00617.47
8.1.190.0000.00817.35
8.1.180.0040.00418.10
8.1.170.0080.00018.61
8.1.160.0040.00418.83
8.1.150.0040.00418.59
8.1.140.0070.00017.35
8.1.130.0040.00417.84
8.1.120.0070.00017.43
8.1.110.0040.00417.29
8.1.100.0000.00717.43
8.1.90.0000.00717.38
8.1.80.0030.00517.30
8.1.70.0030.00317.29
8.1.60.0000.00817.57
8.1.50.0050.00217.47
8.1.40.0080.00017.47
8.1.30.0050.00317.64
8.1.20.0000.00817.55
8.1.10.0000.00717.59
8.1.00.0040.00417.52
8.0.300.0080.00018.77
8.0.290.0070.00016.75
8.0.280.0000.00718.49
8.0.270.0000.00717.21
8.0.260.0070.00016.78
8.0.250.0070.00016.85
8.0.240.0040.00416.85
8.0.230.0030.00316.99
8.0.220.0000.00716.86
8.0.210.0000.00716.86
8.0.200.0000.00616.94
8.0.190.0000.00816.94
8.0.180.0000.00716.82
8.0.170.0040.00416.89
8.0.160.0080.00016.77
8.0.150.0000.01016.85
8.0.140.0050.00216.82
8.0.130.0030.00313.41
8.0.120.0000.00816.82
8.0.110.0040.00416.93
8.0.100.0040.00416.93
8.0.90.0000.00716.95
8.0.80.0100.01316.92
8.0.70.0070.00016.71
8.0.60.0040.00416.89
8.0.50.0050.00216.95
8.0.30.0090.01117.04
8.0.20.0110.00817.40
8.0.10.0040.00417.04
8.0.00.0140.01716.75
7.4.330.0050.00015.01
7.4.320.0040.00416.47
7.4.300.0060.00016.54
7.4.290.0090.00016.51
7.4.280.0000.00616.38
7.4.270.0030.00316.59
7.4.260.0000.00716.42
7.4.250.0000.00816.34
7.4.240.0040.00416.43
7.4.230.0030.00316.61
7.4.220.0090.00916.34
7.4.210.0070.01116.53
7.4.200.0050.00316.43
7.4.190.0020.00516.31
7.4.160.0080.00816.48
7.4.150.0140.00417.40
7.4.140.0080.00917.86
7.4.130.0080.01016.42
7.4.120.0100.00816.32
7.4.110.0090.01216.41
7.4.100.0110.00716.46
7.4.90.0090.00916.39
7.4.80.0060.01616.38
7.4.70.0060.01016.29
7.4.60.0070.01016.54
7.4.50.0000.00416.33
7.4.40.0060.00622.77
7.4.30.0120.00616.30
7.4.00.0090.00614.85
7.3.330.0050.00013.00
7.3.320.0000.00613.08
7.3.310.0000.00716.23
7.3.300.0070.00016.12
7.3.290.0100.01016.20
7.3.280.0120.00716.19
7.3.270.0070.01717.40
7.3.260.0060.01516.24
7.3.250.0120.00816.34
7.3.240.0090.00916.23
7.3.230.0060.00916.40
7.3.210.0090.00916.11
7.3.200.0090.01619.39
7.3.190.0110.00616.18
7.3.180.0060.01216.45
7.3.170.0040.01216.27
7.3.160.0100.00716.30
7.3.120.0090.00714.67
7.3.110.0100.00714.89
7.3.100.0130.00614.63
7.3.90.0090.00314.50
7.3.80.0080.00814.50
7.3.70.0070.00714.60
7.3.60.0040.00714.70
7.3.50.0030.00914.74
7.3.40.0070.00714.30
7.3.30.0030.01314.55
7.3.20.0040.00816.48
7.3.10.0030.01116.46
7.3.00.0090.00316.21
7.2.330.0090.01016.59
7.2.320.0080.00816.30
7.2.310.0130.00316.36
7.2.300.0130.00716.27
7.2.290.0170.00016.59
7.2.250.0030.01414.89
7.2.240.0070.01114.83
7.2.230.0030.00914.70
7.2.220.0000.01614.89
7.2.210.0100.01014.79
7.2.200.0110.00014.81
7.2.190.0000.01514.78
7.2.180.0060.00914.99
7.2.170.0070.01014.84
7.2.160.0070.00714.97
7.2.150.0090.00616.82
7.2.140.0040.01116.67
7.2.130.0030.00716.57
7.2.120.0100.00616.64
7.2.110.0030.00916.59
7.2.100.0040.00816.54
7.2.90.0030.01016.70
7.2.80.0070.00316.94
7.2.70.0070.01016.57
7.2.60.0070.01016.87
7.2.50.0070.01016.62
7.2.40.0070.00316.71
7.2.30.0060.00616.81
7.2.20.0030.00916.57
7.2.10.0060.00316.70
7.2.00.0050.00717.97
7.1.330.0090.00615.46
7.1.320.0070.01015.52
7.1.310.0030.01515.70
7.1.300.0070.00715.73
7.1.290.0120.00315.70
7.1.280.0030.01015.72
7.1.270.0060.00615.62
7.1.260.0070.00715.58
7.1.250.0000.01115.61
7.1.240.0000.01015.74
7.1.230.0070.00715.70
7.1.220.0040.01115.69
7.1.210.0030.00715.61
7.1.200.0000.01215.76
7.1.190.0060.00315.68
7.1.180.0030.01215.83
7.1.170.0040.01415.61
7.1.160.0070.00315.59
7.1.150.0110.00315.71
7.1.140.0030.00915.84
7.1.130.0000.01215.67
7.1.120.0030.01015.72
7.1.110.0030.00615.48
7.1.100.0150.00716.87
7.1.90.0030.00615.21
7.1.80.0030.01015.64
7.1.70.0030.01016.29
7.1.60.0090.01117.53
7.1.50.0050.00816.17
7.1.40.0070.00715.68
7.1.30.0070.00715.71
7.1.20.0040.00715.56
7.1.10.0100.00715.80
7.1.00.0050.04218.85
7.0.330.0030.00715.24
7.0.320.0060.01015.00
7.0.310.0030.00715.32
7.0.300.0070.00315.43
7.0.290.0030.00915.27
7.0.280.0000.01315.02
7.0.270.0080.00315.53
7.0.260.0090.00615.28
7.0.250.0000.00815.24
7.0.240.0090.00315.32
7.0.230.0060.00615.30
7.0.220.0040.01015.26
7.0.210.0080.00815.15
7.0.200.0020.01015.73
7.0.190.0040.00415.31
7.0.180.0060.00615.29
7.0.170.0000.01415.34
7.0.160.0080.00415.25
7.0.150.0000.01315.42
7.0.140.0050.04018.63
7.0.130.0000.01315.20
7.0.120.0060.00615.36
7.0.110.0030.01015.06
7.0.100.0040.02917.53
7.0.90.0060.02617.71
7.0.80.0050.04317.55
7.0.70.0030.04617.72
7.0.60.0070.04717.62
7.0.50.0070.04317.65
7.0.40.0050.04516.77
7.0.30.0100.04016.73
7.0.20.0070.04216.65
7.0.10.0080.04516.56
7.0.00.0070.04516.61
5.6.400.0110.00014.38
5.6.390.0000.01414.08
5.6.380.0090.00614.08
5.6.370.0060.01014.25
5.6.360.0040.00814.11
5.6.350.0030.01213.86
5.6.340.0070.01013.92
5.6.330.0030.00914.30
5.6.320.0040.01114.09
5.6.310.0000.01414.19
5.6.300.0040.01114.46
5.6.290.0040.01113.54
5.6.280.0080.03717.80
5.6.270.0140.00014.07
5.6.260.0030.01014.17
5.6.250.0050.04217.38
5.6.240.0110.03817.47
5.6.230.0040.04417.57
5.6.220.0050.04217.44
5.6.210.0100.04217.24
5.6.200.0080.02717.58
5.6.190.0070.04017.62
5.6.180.0130.03917.60
5.6.170.0070.04517.45
5.6.160.0050.04517.49
5.6.150.0070.04417.48
5.6.140.0070.04517.59
5.6.130.0020.03217.55
5.6.120.0030.04217.84
5.6.110.0050.04917.67
5.6.100.0120.04017.57
5.6.90.0100.04317.59
5.6.80.0110.02417.22
5.6.70.0090.04117.33
5.6.60.0120.03817.15
5.6.50.0070.04417.12
5.6.40.0070.03017.32
5.6.30.0080.03517.26
5.6.20.0060.04217.17
5.6.10.0080.04117.31
5.6.00.0120.03617.13
5.5.380.0090.04017.15
5.5.370.0050.03917.19
5.5.360.0080.04317.44
5.5.350.0050.04117.42
5.5.340.0050.04417.52
5.5.330.0070.04217.54
5.5.320.0100.04217.40
5.5.310.0020.04917.46
5.5.300.0050.04617.33
5.5.290.0080.03717.40
5.5.280.0020.04817.46
5.5.270.0090.04117.28
5.5.260.0100.03817.55
5.5.250.0070.04317.26
5.5.240.0080.04017.00
5.5.230.0030.03117.14
5.5.220.0100.04016.97
5.5.210.0070.03917.19
5.5.200.0110.03217.08
5.5.190.0080.03117.04
5.5.180.0050.02716.85
5.5.170.0090.00613.95
5.5.160.0070.04316.99
5.5.150.0120.03516.97
5.5.140.0070.02217.08
5.5.130.0040.04617.00
5.5.120.0070.04017.19
5.5.110.0070.04516.84
5.5.100.0070.04617.07
5.5.90.0070.03816.84
5.5.80.0110.03817.04
5.5.70.0110.03717.04
5.5.60.0100.03816.87
5.5.50.0070.04216.95
5.5.40.0110.03917.16
5.5.30.0100.03816.95
5.5.20.0070.03917.11
5.5.10.0090.04017.12
5.5.00.0050.02716.77
5.4.450.0110.03415.16
5.4.440.0050.03515.17
5.4.430.0060.03915.12
5.4.420.0030.02715.09
5.4.410.0110.04015.09
5.4.400.0100.03614.82
5.4.390.0040.04014.68
5.4.380.0120.03315.00
5.4.370.0070.03714.82
5.4.360.0020.02815.11
5.4.350.0020.02815.00
5.4.340.0090.04015.02
5.4.330.0040.00410.68
5.4.320.0070.03814.95
5.4.310.0060.04014.86
5.4.300.0070.04114.65
5.4.290.0080.03314.76
5.4.280.0080.02114.83
5.4.270.0030.04014.91
5.4.260.0020.03914.86
5.4.250.0030.04315.07
5.4.240.0030.04614.94
5.4.230.0050.04214.78
5.4.220.0050.04214.85
5.4.210.0050.02614.84
5.4.200.0050.03515.05
5.4.190.0050.03914.93
5.4.180.0020.04414.92
5.4.170.0080.03814.83
5.4.160.0050.04014.93
5.4.150.0070.04014.91
5.4.140.0040.04113.51
5.4.130.0070.03813.56
5.4.120.0070.03813.55
5.4.110.0090.03113.52
5.4.100.0030.04013.61
5.4.90.0100.03313.62
5.4.80.0050.04013.64
5.4.70.0060.04113.50
5.4.60.0070.03813.53
5.4.50.0070.03713.61
5.4.40.0020.02713.54
5.4.30.0020.04813.59
5.4.20.0020.04413.49
5.4.10.0020.04313.44
5.4.00.0030.03813.35
5.3.290.0050.04212.45
5.3.280.0030.04512.34
5.3.270.0050.04112.44
5.3.260.0030.03012.50
5.3.250.0050.04112.48
5.3.240.0050.04312.42
5.3.230.0050.03812.37
5.3.220.0180.02812.34
5.3.210.0060.02512.38
5.3.200.0030.03812.27
5.3.190.0080.03212.47
5.3.180.0110.03512.49
5.3.170.0070.03812.49
5.3.160.0090.03512.39
5.3.150.0030.04112.48
5.3.140.0080.03812.50
5.3.130.0030.04212.30
5.3.120.0090.04012.44
5.3.110.0060.03312.42
5.3.100.0140.03312.21
5.3.90.0030.03512.08
5.3.80.0040.04012.04
5.3.70.0050.04012.06
5.3.60.0070.03812.14
5.3.50.0070.02211.88
5.3.40.0050.04012.08
5.3.30.0030.03712.03
5.3.20.0000.02911.98
5.3.10.0050.03511.93
5.3.00.0080.03311.86
5.2.170.0030.03311.29
5.2.160.0070.05311.29
5.2.150.0070.06311.29
5.2.140.0130.06311.29
5.2.130.0000.04011.29
5.2.120.0100.06011.29
5.2.110.0070.06011.29
5.2.100.0030.06311.29
5.2.90.0070.06011.29
5.2.80.0070.06011.29
5.2.70.0170.05311.29
5.2.60.0030.06711.29
5.2.50.0070.06011.29
5.2.40.0000.03311.29
5.2.30.0030.02711.29
5.2.20.0030.04011.29
5.2.10.0070.02711.29
5.2.00.0000.03011.29
5.1.60.0030.04311.29
5.1.50.0000.02711.29
5.1.40.0000.03011.29
5.1.30.0000.02711.29
5.1.20.0030.02311.29
5.1.10.0000.02711.29
5.1.00.0030.02311.29
5.0.50.0070.01311.29
5.0.40.0030.02011.29
5.0.30.0000.03011.29
5.0.20.0000.02011.29
5.0.10.0000.02011.29
5.0.00.0030.03011.29
4.4.90.0000.03711.29
4.4.80.0000.02011.29
4.4.70.0000.01711.29
4.4.60.0030.02011.29
4.4.50.0000.02311.29
4.4.40.0030.02711.29
4.4.30.0000.01711.29
4.4.20.0030.01311.29
4.4.10.0000.01711.29
4.4.00.0000.02711.29
4.3.110.0000.01711.29
4.3.100.0000.01711.29
4.3.90.0000.01711.29
4.3.80.0000.02311.29
4.3.70.0000.02311.29
4.3.60.0000.01711.29
4.3.50.0000.02311.29
4.3.40.0070.03711.29
4.3.30.0000.01311.29
4.3.20.0000.02011.29
4.3.10.0070.00711.29
4.3.00.0070.01311.29

preferences:
40.43 ms | 401 KiB | 5 Q