3v4l.org

run code in 300+ PHP versions simultaneously
<?php function is32Bit() { // This is for max compatibility: // PHP_INT_MAX doesn't exist in PHP4 // current() *requires* a reference in PHP <5.1.0 (except 4.4.1, dafuq) $test = unpack('N', "\xFF\xFF\xFF\xFF"); var_dump(current($test)); } var_dump(is32Bit());

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)
8.3.60.0120.00918.30
8.3.50.0160.00421.14
8.3.40.0060.01218.58
8.3.30.0060.01518.68
8.3.20.0080.00018.65
8.3.10.0040.00420.96
8.3.00.0080.00023.65
8.2.180.0150.00016.63
8.2.170.0070.00722.96
8.2.160.0110.00420.52
8.2.150.0150.00024.18
8.2.140.0000.00824.66
8.2.130.0030.00626.16
8.2.120.0040.00420.93
8.2.110.0040.00420.38
8.2.100.0110.00017.85
8.2.90.0030.00618.03
8.2.80.0000.00719.34
8.2.70.0060.00317.38
8.2.60.0000.01017.80
8.2.50.0090.00018.07
8.2.40.0030.00518.15
8.2.30.0000.00821.14
8.2.20.0060.00317.65
8.2.10.0080.00017.55
8.2.00.0090.00017.68
8.1.280.0000.01525.92
8.1.270.0080.00023.99
8.1.260.0140.00426.35
8.1.250.0000.00928.09
8.1.240.0040.00422.10
8.1.230.0110.00022.75
8.1.220.0000.00817.74
8.1.210.0040.00418.84
8.1.200.0060.00317.36
8.1.190.0070.00317.28
8.1.180.0040.00418.10
8.1.170.0050.00318.56
8.1.160.0000.00718.83
8.1.150.0040.00418.57
8.1.140.0040.00417.32
8.1.130.0030.00317.83
8.1.120.0000.00717.41
8.1.110.0000.00817.27
8.1.100.0000.00717.32
8.1.90.0040.00417.42
8.1.80.0040.00417.36
8.1.70.0000.00717.28
8.1.60.0030.00517.58
8.1.50.0000.00817.52
8.1.40.0020.00517.44
8.1.30.0000.00817.66
8.1.20.0000.00817.65
8.1.10.0000.00817.37
8.1.00.0030.00517.40
8.0.300.0040.00420.07
8.0.290.0000.00717.18
8.0.280.0050.00218.40
8.0.270.0070.00017.25
8.0.260.0070.00016.73
8.0.250.0040.00416.92
8.0.240.0000.00816.81
8.0.230.0080.00016.87
8.0.220.0000.00716.77
8.0.210.0030.00316.87
8.0.200.0040.00416.95
8.0.190.0000.00716.81
8.0.180.0040.00416.86
8.0.170.0060.00316.78
8.0.160.0070.00016.73
8.0.150.0030.00416.81
8.0.140.0000.00716.82
8.0.130.0000.00613.29
8.0.120.0000.00716.77
8.0.110.0040.00416.70
8.0.100.0030.00516.68
8.0.90.0040.00416.84
8.0.80.0100.01016.78
8.0.70.0070.00016.79
8.0.60.0000.00716.72
8.0.50.0060.00316.72
8.0.30.0050.01417.00
8.0.20.0130.00817.40
8.0.10.0000.00716.79
8.0.00.0070.01016.78
7.4.330.0050.00016.79
7.4.320.0000.00716.44
7.4.300.0060.00016.59
7.4.290.0000.00816.54
7.4.280.0030.00516.61
7.4.270.0040.00416.64
7.4.260.0000.00513.27
7.4.250.0030.00616.48
7.4.240.0030.00316.36
7.4.230.0040.00416.65
7.4.220.0190.00416.54
7.4.210.0080.00816.56
7.4.200.0000.00716.47
7.4.190.0000.00716.47
7.4.160.0100.01016.55
7.4.150.0050.01417.40
7.4.140.0120.00717.86
7.4.130.0120.00516.56
7.4.120.0070.00916.53
7.4.110.0130.00616.35
7.4.100.0130.01016.44
7.4.90.0200.00616.59
7.4.80.0100.00619.39
7.4.70.0070.01016.48
7.4.60.0030.01316.70
7.4.50.0000.00716.31
7.4.40.0030.01222.77
7.4.30.0120.01216.55
7.4.00.0120.00415.22
7.3.330.0030.00313.16
7.3.320.0030.00313.18
7.3.310.0000.00716.10
7.3.300.0030.00316.20
7.3.290.0030.01116.21
7.3.280.0080.00816.25
7.3.270.0150.00317.40
7.3.260.0070.01218.24
7.3.250.0080.00916.33
7.3.240.0100.00716.43
7.3.230.0140.00516.39
7.3.210.0160.00016.46
7.3.200.0000.01719.39
7.3.190.0090.00616.30
7.3.180.0100.00716.45
7.3.170.0060.00916.32
7.3.160.0070.01316.07
7.3.120.0130.00314.68
7.3.110.0030.01314.82
7.3.100.0070.01014.96
7.3.90.0060.00314.79
7.3.80.0100.00714.71
7.3.70.0060.01014.70
7.3.60.0080.00414.64
7.3.50.0040.01114.75
7.3.40.0060.00614.93
7.3.30.0070.00414.52
7.3.20.0000.01116.60
7.3.10.0000.01616.43
7.3.00.0060.00916.65
7.2.330.0110.00716.22
7.2.320.0110.00616.64
7.2.310.0070.01016.72
7.2.300.0030.01316.30
7.2.290.0120.00616.36
7.2.240.0130.00315.08
7.2.230.0000.01514.73
7.2.220.0030.01314.82
7.2.210.0120.00014.88
7.2.200.0000.01414.70
7.2.190.0070.01014.69
7.2.180.0090.00014.76
7.2.170.0110.00015.06
7.2.160.0000.01714.91
7.2.150.0070.01116.87
7.2.140.0090.00616.71
7.2.130.0000.01216.73
7.2.120.0090.00616.71
7.2.110.0070.01116.87
7.2.100.0080.00416.75
7.2.90.0030.01216.65
7.2.80.0100.00716.92
7.2.70.0060.00616.57
7.2.60.0000.01416.73
7.2.50.0160.00016.76
7.2.40.0000.01116.82
7.2.30.0030.01316.96
7.2.20.0030.01016.80
7.2.10.0000.01616.82
7.2.00.0000.01416.73
7.1.330.0080.00615.35
7.1.320.0070.00715.84
7.1.310.0030.01015.64
7.1.300.0070.00715.83
7.1.290.0060.00615.70
7.1.280.0070.00715.77
7.1.270.0060.00915.82
7.1.260.0070.00315.77
7.1.250.0030.01315.89
7.1.100.0000.01118.02
7.1.70.0030.00717.22
7.1.60.0040.00717.14
7.1.50.0060.00616.93
7.1.40.0070.00316.58
7.1.30.0000.01116.86
7.1.20.0000.01716.74
7.1.10.0000.01716.80
7.1.00.0030.01316.62
7.0.200.0070.00016.66
7.0.190.0000.00716.50
7.0.180.0020.00515.99
7.0.170.0030.01316.25
7.0.160.0040.00416.15
7.0.150.0100.00316.27
7.0.140.0060.00916.20
7.0.130.0050.00216.38
7.0.120.0000.00816.43
7.0.110.0090.00616.19
7.0.100.0000.01516.36
7.0.90.0000.00816.28
7.0.80.0000.01016.42
7.0.70.0070.01016.23
7.0.60.0000.00916.15
7.0.50.0040.00416.44
7.0.40.0000.00815.41
7.0.30.0000.00715.41
7.0.20.0030.00815.41
7.0.10.0000.00815.41
7.0.00.0080.00015.41
5.6.300.0030.06320.93
5.6.290.0000.04420.82
5.6.280.0100.04821.11
5.6.270.0030.08221.10
5.6.260.0030.07421.04
5.6.250.0030.04821.09
5.6.240.0000.04520.85
5.6.230.0030.04120.82
5.6.220.0070.04320.87
5.6.210.0030.06920.84
5.6.200.0030.06120.83
5.6.190.0100.04120.84
5.6.180.0060.07120.94
5.6.170.0100.05220.87
5.6.160.0000.06320.84
5.6.150.0030.09120.87
5.6.140.0070.08520.77
5.6.130.0070.06920.82
5.6.120.0070.04020.83
5.6.110.0030.04320.98
5.6.100.0030.04720.92
5.6.90.0000.04420.75
5.6.80.0100.03820.32
5.6.70.0030.07420.43
5.6.60.0030.04620.33
5.6.50.0100.03620.32
5.6.40.0070.03620.39
5.6.30.0030.04420.17
5.6.20.0000.07720.34
5.6.10.0070.05520.21
5.6.00.0030.04020.25
5.5.380.0030.07017.48
5.5.370.0100.03317.61
5.5.360.0000.08717.53
5.5.350.0030.06317.51
5.5.340.0070.09318.04
5.5.330.0070.07118.09
5.5.320.0000.04517.88
5.5.310.0000.04318.13
5.5.300.0030.03918.09
5.5.290.0030.04118.09
5.5.280.0000.04518.08
5.5.270.0000.06418.00
5.5.260.0030.04118.08
5.5.250.0000.04417.99
5.5.240.0000.04017.48
5.5.230.0130.06617.56
5.5.220.0100.06017.52
5.5.210.0030.03917.41
5.5.200.0000.04017.45
5.5.190.0000.04017.35
5.5.180.0070.06017.21
5.5.160.0000.04217.36
5.5.150.0100.04217.46
5.5.140.0000.04117.44
5.5.130.0030.07617.46
5.5.120.0000.04117.21
5.5.110.0070.03617.05
5.5.100.0000.04117.31
5.5.90.0000.04417.09
5.5.80.0070.06317.34
5.5.70.0030.05617.34
5.5.60.0000.04017.24
5.5.50.0030.03617.32
5.5.40.0000.04616.95
5.5.30.0030.06617.32
5.5.20.0100.06217.33
5.5.10.0030.08117.29
5.5.00.0130.03617.23
5.4.450.0060.03819.45
5.4.440.0060.03919.28
5.4.430.0070.06419.40
5.4.420.0140.05219.40
5.4.410.0070.03719.43
5.4.400.0030.06118.98
5.4.390.0110.03518.98
5.4.380.0070.04418.98
5.4.370.0060.03518.93
5.4.360.0030.03818.93
5.4.350.0100.05718.95
5.4.340.0130.04219.23
5.4.320.0030.03919.09
5.4.310.0000.07418.99
5.4.300.0000.07319.13
5.4.290.0000.04618.97
5.4.280.0070.04319.07
5.4.270.0070.07319.23
5.4.260.0070.03418.98
5.4.250.0070.04319.17
5.4.240.0060.04518.92
5.4.230.0030.04218.98
5.4.220.0060.03719.14
5.4.210.0030.05018.98
5.4.200.0070.04719.23
5.4.190.0000.04218.97
5.4.180.0000.06719.20
5.4.170.0030.04019.19
5.4.160.0070.03718.97
5.4.150.0000.04219.18
5.4.140.0030.03916.46
5.4.130.0000.04716.70
5.4.120.0000.06116.49
5.4.110.0000.04216.70
5.4.100.0030.03616.41
5.4.90.0060.03816.48
5.4.80.0030.06816.70
5.4.70.0000.03716.63
5.4.60.0000.03716.73
5.4.50.0030.04516.56
5.4.40.0030.04016.72
5.4.30.0060.03116.67
5.4.20.0070.05616.52
5.4.10.0040.04216.74
5.4.00.0000.04416.14
5.3.290.0030.08215.41
5.3.280.0070.06215.41
5.3.270.0030.08015.41
5.3.260.0030.03715.41
5.3.250.0030.03815.41
5.3.240.0070.03315.41
5.3.230.0030.03615.41
5.3.220.0060.03515.41
5.3.210.0030.04415.41
5.3.200.0030.03515.41
5.3.190.0000.05215.41
5.3.180.0030.07415.41
5.3.170.0100.03015.41
5.3.160.0000.07715.41
5.3.150.0090.03515.41
5.3.140.0040.03515.41
5.3.130.0030.05215.41
5.3.120.0030.05015.41
5.3.110.0030.04315.41
5.3.100.0030.03615.41
5.3.90.0040.04215.41
5.3.80.0000.04015.41
5.3.70.0030.03615.41
5.3.60.0000.03915.41
5.3.50.0030.04015.41
5.3.40.0030.03615.41
5.3.30.0030.03815.41
5.3.20.0060.03215.41
5.3.10.0070.03015.41
5.3.00.0000.04015.41
5.2.170.0030.03115.41
5.2.160.0000.03015.41
5.2.150.0030.03015.41
5.2.140.0000.03115.41
5.2.130.0090.02215.41
5.2.120.0070.02815.41
5.2.110.0060.02615.41
5.2.100.0070.03015.41
5.2.90.0030.02915.41
5.2.80.0130.03015.41
5.2.70.0030.03115.41
5.2.60.0000.03215.41
5.2.50.0000.03515.41
5.2.40.0000.03115.41
5.2.30.0000.03215.41
5.2.20.0000.03115.41
5.2.10.0000.03215.41
5.2.00.0200.02315.41
5.1.60.0110.02515.41
5.1.50.0030.02515.41
5.1.40.0000.03215.41
5.1.30.0060.02415.41
5.1.20.0000.03015.41
5.1.10.0030.02315.41
5.1.00.0100.01615.41
5.0.50.0030.02215.41
5.0.40.0000.02115.41
5.0.30.0030.03315.41
5.0.20.0030.02215.41
5.0.10.0030.01915.41
5.0.00.0000.04015.41
4.4.90.0000.02015.41
4.4.80.0000.01715.41
4.4.70.0000.01615.41
4.4.60.0030.01415.41
4.4.50.0000.02115.41
4.4.40.0060.01915.41
4.4.30.0000.01715.41
4.4.20.0100.01015.41
4.4.10.0030.01815.41
4.4.00.0000.02515.41
4.3.110.0000.01815.41
4.3.100.0000.01715.41
4.3.90.0000.02115.41
4.3.80.0030.02315.41
4.3.70.0000.01715.41
4.3.60.0030.02215.41
4.3.50.0000.01915.41
4.3.40.0000.02715.41
4.3.30.0000.01715.41
4.3.20.0030.01515.41
4.3.10.0000.01715.41
4.3.00.0000.02015.41

preferences:
58.91 ms | 401 KiB | 5 Q