3v4l.org

run code in 300+ PHP versions simultaneously
<?php const INT_SIGNED = 1; const INT_LE = 2; function isLittleEndian() { return pack('S', 0x00FF) === "\xFF\x00"; } function is32Bit() { return PHP_INT_MAX < 0x80000000; } function unpack_int32($str, $flags = 0) { $length = strlen($str); if ($length < 4) { return false; } else if ($length > 4) { $str = substr($str, 0, 4); } $format = ($flags & INT_LE) ? 'V' : 'N'; $result = current(unpack($format, $str)); if (($result & 0x80000000) && ($flags & INT_SIGNED) && !is32Bit()) { $result = 0xFFFFFFFF00000000 | $result; } return $result; } var_dump(isLittleEndian(), is32Bit(), unpack_int32("\xFF\xFF\xFF\xFF", INT_SIGNED));

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)
8.3.60.0060.01318.56
8.3.50.0040.01221.92
8.3.40.0140.00718.83
8.3.30.0070.00719.01
8.3.20.0050.00220.38
8.3.10.0080.00022.05
8.3.00.0000.00822.39
8.2.180.0120.00318.36
8.2.170.0110.00422.96
8.2.160.0110.00421.06
8.2.150.0040.00424.18
8.2.140.0030.00524.66
8.2.130.0000.00726.16
8.2.120.0040.00419.36
8.2.110.0060.00320.50
8.2.100.0030.00917.91
8.2.90.0000.00817.75
8.2.80.0050.00318.03
8.2.70.0000.00817.93
8.2.60.0040.00418.16
8.2.50.0030.00518.10
8.2.40.0080.00020.78
8.2.30.0090.00018.23
8.2.20.0030.00517.73
8.2.10.0000.00819.45
8.2.00.0070.00017.70
8.1.280.0060.01525.92
8.1.270.0040.00422.33
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0140.00322.18
8.1.230.0040.00819.16
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0040.00417.22
8.1.180.0120.00018.10
8.1.170.0050.00318.70
8.1.160.0040.00422.03
8.1.150.0070.00018.79
8.1.140.0060.00317.56
8.1.130.0000.00717.93
8.1.120.0070.00017.55
8.1.110.0050.00317.49
8.1.100.0040.00417.43
8.1.90.0000.00717.61
8.1.80.0000.00717.57
8.1.70.0040.00417.53
8.1.60.0090.00017.73
8.1.50.0050.00317.62
8.1.40.0060.00317.63
8.1.30.0000.00817.68
8.1.20.0030.00517.77
8.1.10.0030.00517.63
8.1.00.0080.00017.56
8.0.300.0060.00319.89
8.0.290.0060.00316.88
8.0.280.0000.00718.59
8.0.270.0070.00017.27
8.0.260.0000.00616.80
8.0.250.0030.00316.96
8.0.240.0040.00416.90
8.0.230.0000.00717.13
8.0.220.0030.00317.07
8.0.210.0000.00717.01
8.0.200.0050.00316.95
8.0.190.0040.00417.03
8.0.180.0070.00316.90
8.0.170.0000.00816.92
8.0.160.0040.00417.04
8.0.150.0030.00516.84
8.0.140.0040.00416.96
8.0.130.0050.00013.41
8.0.120.0030.00516.84
8.0.110.0070.00016.98
8.0.100.0080.00017.00
8.0.90.0000.00917.04
8.0.80.0090.00616.91
8.0.70.0070.00017.05
8.0.60.0040.00417.02
8.0.50.0040.00416.99
8.0.30.0100.01117.29
8.0.20.0090.01317.40
8.0.10.0040.00416.90
8.0.00.0050.01316.91
7.4.330.0020.00215.14
7.4.320.0030.00316.73
7.4.300.0060.00016.64
7.4.290.0070.00016.65
7.4.280.0080.00016.54
7.4.270.0030.00316.52
7.4.260.0000.00816.66
7.4.250.0050.00316.65
7.4.240.0040.00316.63
7.4.230.0030.00316.71
7.4.220.0080.00816.69
7.4.210.0060.00816.65
7.4.200.0000.00716.45
7.4.190.0030.00316.49
7.4.160.0030.01216.54
7.4.150.0130.01217.40
7.4.140.0150.01017.86
7.4.130.0070.01016.70
7.4.120.0100.00716.53
7.4.110.0100.01416.56
7.4.100.0030.01516.51
7.4.90.0060.01216.59
7.4.80.0110.01119.39
7.4.70.0130.00316.66
7.4.60.0030.01316.58
7.4.50.0030.00616.41
7.4.40.0090.00322.77
7.4.30.0060.00916.67
7.4.00.0100.00815.06
7.3.330.0050.00013.36
7.3.320.0020.00213.29
7.3.310.0070.00016.30
7.3.300.0020.00516.32
7.3.290.0110.00316.49
7.3.280.0100.00616.40
7.3.270.0100.01317.40
7.3.260.0100.00716.48
7.3.250.0120.00916.53
7.3.240.0070.01016.41
7.3.230.0060.01116.74
7.3.210.0040.01416.39
7.3.200.0160.00719.39
7.3.190.0090.01216.41
7.3.180.0030.01316.50
7.3.170.0120.00316.58
7.3.160.0060.01016.70
7.3.120.0080.00514.80
7.3.110.0110.00614.95
7.3.100.0060.00314.93
7.3.90.0090.00315.11
7.3.80.0040.01115.17
7.3.70.0130.00314.89
7.3.60.0030.01314.97
7.3.50.0090.00614.91
7.3.40.0100.00714.67
7.3.30.0070.00715.01
7.3.20.0040.00716.88
7.3.10.0060.00616.84
7.3.00.0030.00616.77
7.2.330.0160.01016.88
7.2.320.0110.00816.44
7.2.310.0120.01016.58
7.2.300.0140.00416.94
7.2.290.0030.01416.69
7.2.250.0030.01714.92
7.2.240.0060.01215.11
7.2.230.0100.00715.25
7.2.220.0100.00315.11
7.2.210.0060.01215.23
7.2.200.0070.01015.05
7.2.190.0100.00315.04
7.2.180.0040.00915.17
7.2.170.0000.01515.17
7.2.00.0040.00719.41
7.1.330.0090.00615.93
7.1.320.0060.01015.94
7.1.310.0040.01115.87
7.1.300.0030.01015.92
7.1.290.0000.01515.88
7.1.280.0000.01215.86
7.1.270.0060.00616.06
7.1.260.0060.00916.08
7.1.100.0000.00818.29
7.1.70.0030.00717.09
7.1.60.0120.00919.82
7.1.50.0100.01034.95
7.1.00.0030.07722.64
7.0.200.0120.00316.59
7.0.140.0070.06721.95
7.0.100.0170.04320.09
7.0.90.0200.05020.09
7.0.80.0000.05020.11
7.0.70.0070.05720.08
7.0.60.0000.05720.07
7.0.50.0030.07320.49
7.0.40.0100.08020.20
7.0.30.0070.04320.21
7.0.20.0070.04320.14
7.0.10.0000.05320.17
7.0.00.0000.04720.12
5.6.280.0000.07721.02
5.6.250.0030.06320.79
5.6.240.0070.06720.79
5.6.230.0030.05320.79
5.6.220.0130.05320.78
5.6.210.0100.05320.59
5.6.200.0170.08321.18
5.6.190.0070.05721.14
5.6.180.0100.04021.27
5.6.170.0100.04021.24
5.6.160.0030.04321.24
5.6.150.0100.04721.21
5.6.140.0100.02721.06
5.6.130.0030.04321.19
5.6.120.0030.04321.13
5.6.110.0000.04321.12
5.6.100.0070.04321.17
5.6.90.0070.08021.15
5.6.80.0000.04720.52
5.6.70.0070.03320.63
5.6.60.0070.04020.53
5.6.50.0070.04020.66
5.6.40.0030.04020.57
5.6.30.0200.02720.48
5.6.20.0130.04020.62
5.6.10.0070.04020.48
5.6.00.0070.03020.55
5.5.380.0070.03720.41
5.5.370.0030.04020.57
5.5.360.0030.05020.66
5.5.350.0000.09020.47
5.5.340.0030.07320.99
5.5.330.0030.06321.07
5.5.320.0130.04020.92
5.5.310.0030.04720.94
5.5.300.0000.04320.97
5.5.290.0030.04320.96
5.5.280.0030.04320.87
5.5.270.0030.06320.85
5.5.260.0070.08320.92
5.5.250.0100.03320.63
5.5.240.0000.06320.35
5.5.230.0030.04320.45
5.5.220.0030.04020.23
5.5.210.0070.03720.30
5.5.200.0030.04020.32
5.5.190.0070.04320.43
5.5.180.0030.03720.18
5.5.160.0000.03720.37
5.5.150.0070.03020.31
5.5.140.0100.03320.30
5.5.130.0070.03020.30
5.5.120.0070.03320.32
5.5.110.0030.03720.29
5.5.100.0030.03720.12
5.5.90.0070.03320.20
5.5.80.0070.03020.25
5.5.70.0030.03320.25
5.5.60.0030.03720.19
5.5.50.0070.06720.22
5.5.40.0200.06020.32
5.5.30.0070.07320.22
5.5.20.0100.04320.22
5.5.10.0100.04020.19
5.5.00.0200.06720.21
5.4.450.0030.04019.46
5.4.440.0000.04319.49
5.4.430.0100.03019.41
5.4.420.0030.07319.28
5.4.410.0030.03719.29
5.4.400.0070.03318.95
5.4.390.0100.02719.05
5.4.380.0100.03318.88
5.4.370.0000.05019.09
5.4.360.0030.04019.03
5.4.350.0030.04019.03
5.4.340.0030.03319.02
5.4.320.0030.03319.09
5.4.310.0070.03019.16
5.4.300.0070.03319.05
5.4.290.0000.03718.84
5.4.280.0070.03318.87
5.4.270.0070.02719.12
5.4.260.0030.03719.12
5.4.250.0070.03019.11
5.4.240.0030.03018.87
5.4.230.0070.03019.04
5.4.220.0070.03719.16
5.4.210.0100.07718.86
5.4.200.0030.03319.08
5.4.190.0070.05319.11
5.4.180.0100.06019.04
5.4.170.0030.07319.07
5.4.160.0070.03719.13
5.4.150.0070.06019.14
5.4.140.0200.06016.55
5.4.130.0170.05316.46
5.4.120.0100.04016.30
5.4.110.0170.06716.40
5.4.100.0030.06316.38
5.4.90.0070.05016.56
5.4.80.0100.03716.38
5.4.70.0070.06716.47
5.4.60.0000.05716.46
5.4.50.0100.03716.45
5.4.40.0100.03716.46
5.4.30.0070.06016.23
5.4.20.0070.07016.47
5.4.10.0070.04016.41
5.4.00.0000.05015.78
5.3.290.0100.04014.79
5.3.280.0030.03314.61
5.3.270.0000.05014.57
5.3.260.0070.06314.75
5.3.250.0130.03314.55
5.3.240.0030.05014.58
5.3.230.0100.05314.54
5.3.220.0100.05714.59
5.3.210.0100.04314.63
5.3.200.0100.04714.57
5.3.190.0030.08314.60
5.3.180.0130.05714.52
5.3.170.0000.05714.70
5.3.160.0070.07014.67
5.3.150.0030.04314.70
5.3.140.0070.03714.62
5.3.130.0030.04314.54
5.3.120.0030.04714.55
5.3.110.0130.05014.64
5.3.100.0070.05014.11
5.3.90.0000.05013.99
5.3.80.0100.06014.04
5.3.70.0030.06314.05
5.3.60.0100.07713.91
5.3.50.0130.05713.88
5.3.40.0100.07714.06
5.3.30.0070.07313.97
5.3.20.0130.05713.72
5.3.10.0030.06713.64
5.3.00.0100.06313.66
5.2.170.0100.04311.09
5.2.160.0070.06011.20
5.2.150.0000.03711.14
5.2.140.0070.06311.16
5.2.130.0000.03710.89
5.2.120.0100.03010.95
5.2.110.0030.03311.12
5.2.100.0000.03311.09
5.2.90.0030.03011.09
5.2.80.0070.05311.09
5.2.70.0030.06011.05
5.2.60.0030.05010.86
5.2.50.0130.05010.88
5.2.40.0030.03011.03
5.2.30.0070.03010.79
5.2.20.0000.05010.90
5.2.10.0000.03710.92
5.2.00.0030.03310.74
5.1.60.0000.02710.07
5.1.50.0070.05010.02
5.1.40.0030.0309.98
5.1.30.0030.03310.35
5.1.20.0000.04010.34
5.1.10.0030.0279.95
5.1.00.0030.04710.09
5.0.50.0000.0438.39
5.0.40.0000.0308.29
5.0.30.0000.0508.21
5.0.20.0130.0278.21
5.0.10.0030.0338.30
5.0.00.0070.0308.23
4.4.90.0070.0138.21
4.4.80.0000.0208.21
4.4.70.0000.0278.21
4.4.60.0070.0238.21
4.4.50.0070.0338.21
4.4.40.0000.0308.21
4.4.30.0030.0338.21
4.4.20.0000.0308.21
4.4.10.0000.0408.21
4.4.00.0130.0538.21
4.3.110.0000.0278.21
4.3.100.0070.0238.21
4.3.90.0070.0178.21
4.3.80.0070.0338.21
4.3.70.0030.0178.21
4.3.60.0000.0208.21
4.3.50.0000.0378.21
4.3.40.0000.0278.21
4.3.30.0030.0178.21
4.3.20.0000.0308.21
4.3.10.0070.0138.21
4.3.00.0000.0238.21

preferences:
50.57 ms | 401 KiB | 5 Q