3v4l.org

run code in 300+ PHP versions simultaneously
<?php $_loc3 = 'abcd'; $_loc2 = 0; // Wrong: var_dump( ($_loc3[$_loc2] << 24) + ($_loc3[$_loc2 + 1] << 16) + ($_loc3[$_loc2 + 2] << 8) + $_loc3[$_loc2 + 3] ); // Right: var_dump( (ord($_loc3[$_loc2]) << 24) + (ord($_loc3[$_loc2 + 1]) << 16) + (ord($_loc3[$_loc2 + 2]) << 8) + ord($_loc3[$_loc2 + 3]) ); var_dump(0x61626364);

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)
8.5.10.0100.00716.87
8.5.00.0130.01020.24
8.4.160.0050.00619.77
8.4.150.0020.00014.05
8.4.140.0100.01117.91
8.4.130.0130.00717.97
8.4.120.0100.01020.60
8.4.110.0140.00718.92
8.4.100.0130.00918.08
8.4.90.0120.00818.66
8.4.80.0060.00218.02
8.4.70.0050.00318.07
8.4.60.0120.00318.75
8.4.50.0130.00819.84
8.4.40.0070.01319.53
8.4.30.0120.00922.17
8.4.20.0070.00719.01
8.4.10.0100.01017.87
8.3.280.0120.00818.63
8.3.270.0130.00816.80
8.3.260.0130.00616.77
8.3.250.0030.00518.86
8.3.240.0110.00816.69
8.3.230.0090.01016.86
8.3.220.0050.00217.20
8.3.210.0110.00716.53
8.3.200.0040.00416.53
8.3.190.0090.00918.84
8.3.180.0090.00616.59
8.3.170.0050.01018.69
8.3.160.0130.00716.91
8.3.150.0090.00920.55
8.3.140.0050.00316.88
8.3.130.0030.00716.86
8.3.120.0040.00420.63
8.3.110.0050.00316.65
8.3.100.0060.00316.63
8.3.90.0050.00316.75
8.3.80.0030.00618.43
8.3.70.0140.00718.55
8.3.60.0070.01018.43
8.3.50.0070.00717.90
8.3.40.0090.00618.64
8.3.30.0070.00718.48
8.3.20.0040.00420.87
8.3.10.0040.00421.77
8.3.00.0000.00722.34
8.2.290.0090.00920.38
8.2.280.0070.01118.54
8.2.270.0150.00317.14
8.2.260.0040.00418.52
8.2.250.0070.00716.59
8.2.240.0090.00619.17
8.2.230.0100.01020.94
8.2.220.0060.00324.06
8.2.210.0060.00926.77
8.2.200.0100.00016.63
8.2.190.0070.00716.63
8.2.180.0110.00418.54
8.2.170.0070.01019.04
8.2.160.0070.00722.96
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0060.00619.04
8.2.110.0090.00321.00
8.2.100.0080.00418.03
8.2.90.0030.00617.97
8.2.80.0000.00819.09
8.2.70.0080.00017.75
8.2.60.0080.00017.75
8.2.50.0080.00018.05
8.2.40.0040.00418.05
8.2.30.0040.00419.32
8.2.20.0020.00518.27
8.2.10.0040.00419.31
8.2.00.0070.00019.30
8.1.330.0120.00721.75
8.1.320.0120.00716.06
8.1.310.0040.01516.61
8.1.300.0110.00818.48
8.1.290.0030.00618.88
8.1.280.0110.00725.92
8.1.270.0050.00322.10
8.1.260.0060.00326.35
8.1.250.0070.00028.09
8.1.240.0040.00422.14
8.1.230.0060.00620.89
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0000.00817.35
8.1.190.0040.00417.23
8.1.180.0080.00018.10
8.1.170.0000.00717.62
8.1.160.0000.00718.92
8.1.150.0050.00318.75
8.1.140.0050.00320.75
8.1.130.0000.00717.27
8.1.120.0070.00317.40
8.1.110.0000.00817.38
8.1.100.0050.00317.36
8.1.90.0000.00717.29
8.1.80.0070.00017.45
8.1.70.0050.00317.45
8.1.60.0000.00717.64
8.1.50.0040.00417.51
8.1.40.0000.00817.48
8.1.30.0000.00817.55
8.1.20.0000.00817.64
8.1.10.0000.00817.62
8.1.00.0000.00817.52
8.0.300.0060.00320.20
8.0.290.0000.00717.16
8.0.280.0040.00418.45
8.0.270.0000.00717.00
8.0.260.0030.00618.72
8.0.250.0030.00316.98
8.0.240.0040.00417.05
8.0.230.0030.00317.03
8.0.220.0030.00316.91
8.0.210.0000.00716.98
8.0.200.0040.00416.91
8.0.190.0000.00716.91
8.0.180.0000.00817.00
8.0.170.0000.01116.88
8.0.160.0050.00317.00
8.0.150.0030.00316.72
8.0.140.0040.00416.89
8.0.130.0030.00313.41
8.0.120.0040.00416.74
8.0.110.0000.00716.88
8.0.100.0040.00416.90
8.0.90.0000.00816.76
8.0.80.0120.00316.89
8.0.70.0080.00016.68
8.0.60.0040.00416.94
8.0.50.0000.00816.71
8.0.30.0120.00917.04
8.0.20.0130.00617.40
8.0.10.0070.00017.08
8.0.00.0090.01516.97
7.4.330.0000.00515.55
7.4.320.0060.00016.44
7.4.300.0060.00016.44
7.4.290.0040.00416.52
7.4.280.0040.00416.46
7.4.270.0070.00016.37
7.4.260.0030.00313.13
7.4.250.0030.00316.43
7.4.240.0020.00516.36
7.4.230.0070.00016.44
7.4.220.0030.00416.45
7.4.210.0070.01016.55
7.4.200.0030.00316.36
7.4.130.0150.00416.45
7.4.120.0030.01716.54
7.4.110.0090.01216.42
7.4.100.0040.01516.51
7.4.90.0130.00616.44
7.4.80.0170.00019.39
7.4.70.0160.00416.81
7.4.60.0090.00916.53
7.4.50.0000.01816.41
7.4.40.0080.00816.30
7.4.00.0090.01014.98
7.3.330.0070.00316.43
7.3.320.0060.00013.06
7.3.310.0040.00416.39
7.3.300.0070.00016.34
7.3.290.0110.00316.37
7.3.280.0030.01216.32
7.3.260.0070.01216.47
7.3.240.0110.00716.42
7.3.230.0140.00416.43
7.3.210.0060.01116.41
7.3.200.0130.00416.39
7.3.190.0070.01016.46
7.3.180.0070.01016.49
7.3.170.0060.00916.52
7.3.160.0060.01016.30
7.3.120.0070.01014.92
7.3.110.0070.01014.90
7.3.100.0090.00714.85
7.3.90.0070.00714.92
7.3.80.0060.00714.85
7.3.70.0070.00714.76
7.3.60.0070.00914.80
7.3.50.0060.00814.82
7.3.40.0070.00714.81
7.3.30.0080.00714.75
7.3.20.0060.00916.67
7.3.10.0090.00616.73
7.3.00.0040.01116.65
7.2.330.0100.00716.72
7.2.320.0030.01416.40
7.2.310.0000.01616.72
7.2.300.0040.01916.48
7.2.290.0030.01316.53
7.2.250.0070.01015.06
7.2.240.0100.01014.86
7.2.230.0070.01014.96
7.2.220.0070.00914.99
7.2.210.0050.00915.00
7.2.200.0080.00714.96
7.2.190.0050.01014.92
7.2.180.0040.01214.80
7.2.170.0070.00815.07
7.2.160.0080.01015.03
7.2.150.0070.01016.85
7.2.140.0100.00616.71
7.2.130.0050.01116.83
7.2.120.0050.01016.80
7.2.110.0100.00716.70
7.2.100.0110.00616.82
7.2.90.0110.00616.66
7.2.80.0050.01216.84
7.2.70.0060.01016.87
7.2.60.0090.01016.72
7.2.50.0070.00916.83
7.2.40.0100.00716.83
7.2.30.0090.00516.67
7.2.20.0080.01016.58
7.2.10.0060.01016.79
7.2.00.0070.01116.94
7.1.330.0040.01015.84
7.1.320.0070.00715.71
7.1.310.0060.00815.82
7.1.300.0070.00815.75
7.1.290.0090.00615.73
7.1.280.0070.00715.76
7.1.270.0070.00815.82
7.1.260.0040.01215.77
7.1.250.0060.01015.69
7.1.240.0150.00515.46
7.1.230.0050.01815.81
7.1.220.0110.00915.59
7.1.210.0070.01215.25
7.1.200.0170.00615.24
7.1.190.0120.00515.42
7.1.180.0150.00515.97
7.1.170.0060.02015.16
7.1.160.0100.01015.62
7.1.150.0190.00415.43
7.1.140.0140.00515.44
7.1.130.0120.00515.45
7.1.120.0100.01415.45
7.1.110.0060.01715.37
7.1.100.0200.00015.25
7.1.90.0060.01715.38
7.1.80.0130.00915.25
7.1.70.0110.00715.48
7.1.60.0070.01415.50
7.1.50.0200.00315.52
7.1.40.0170.00615.80
7.1.30.0140.01015.43
7.1.20.0180.00615.40
7.1.10.0080.01215.53
7.1.00.0060.01015.48
7.0.330.0170.00614.95
7.0.320.0230.00015.00
7.0.310.0140.01115.34
7.0.300.0100.01415.30
7.0.290.0100.01015.39
7.0.280.0100.01415.25
7.0.270.0160.00715.55
7.0.260.0170.01015.25
7.0.250.0240.00215.27
7.0.240.0140.01015.35
7.0.230.0140.00915.39
7.0.220.0170.00915.55
7.0.210.0190.00515.38
7.0.200.0190.00415.41
7.0.190.0160.01015.57
7.0.180.0150.01215.20
7.0.170.0100.01715.48
7.0.160.0120.01015.27
7.0.150.0090.01315.46
7.0.140.0140.01015.39
7.0.130.0150.00515.13
7.0.120.0130.01315.36
7.0.110.0170.00815.55
7.0.100.0240.00415.42
7.0.90.0150.00815.20
7.0.80.0190.00014.97
7.0.70.0130.00915.13
7.0.60.0070.01215.17
7.0.50.0180.00515.34
7.0.40.0110.00915.14
7.0.30.0130.00915.41
7.0.20.0110.01315.55
7.0.10.0090.00915.18
7.0.00.0160.00815.29
5.6.400.0090.01313.84
5.6.390.0060.01313.99
5.6.380.0080.01614.06
5.6.370.0120.01213.99
5.6.360.0150.01014.36
5.6.350.0200.00314.13
5.6.340.0100.01413.94
5.6.330.0210.00714.53
5.6.320.0130.01414.33
5.6.310.0120.01114.16
5.6.300.0200.01014.25
5.6.290.0100.01314.38
5.6.280.0140.01114.12
5.6.270.0220.00414.43
5.6.260.0210.00414.48
5.6.250.0140.00714.21
5.6.240.0070.01214.04
5.6.230.0200.00314.20
5.6.220.0120.01014.16
5.6.210.0180.00414.28
5.6.200.0190.00214.20
5.6.190.0160.00814.42
5.6.180.0160.00614.34
5.6.170.0160.00414.30
5.6.160.0150.00514.17
5.6.150.0160.00214.33
5.6.140.0110.00914.05
5.6.130.0130.00914.46
5.6.120.0170.00314.28
5.6.110.0150.00614.46
5.6.100.0110.01114.20
5.6.90.0190.00014.10
5.6.80.0130.01314.41
5.6.70.0140.00714.10
5.6.60.0090.01013.98
5.6.50.0110.00814.00
5.6.40.0130.01014.01
5.6.30.0180.00314.09
5.6.20.0160.01214.18
5.6.10.0140.00614.27
5.6.00.0130.00713.97
5.5.380.0170.00314.24
5.5.370.0150.01013.97
5.5.360.0150.01113.96
5.5.350.0170.00514.08
5.5.340.0180.00314.15
5.5.330.0130.00714.42
5.5.320.0090.01214.33
5.5.310.0040.01714.15
5.5.300.0170.00413.72
5.5.290.0130.00914.56
5.5.280.0150.00514.13
5.5.270.0190.00314.05
5.5.260.0050.01614.06
5.5.250.0090.01214.26
5.5.240.0180.00713.79
5.5.230.0160.00613.79
5.5.220.0070.01213.71
5.5.210.0140.00713.89
5.5.200.0090.01014.25
5.5.190.0160.00313.90
5.5.180.0190.00814.33
5.5.170.0160.00314.18
5.5.160.0130.00614.43
5.5.150.0110.00914.17
5.5.140.0170.00413.83
5.5.130.0130.01314.05
5.5.120.0080.01114.21
5.5.110.0180.00314.23
5.5.100.0090.01614.09
5.5.90.0160.01014.33
5.5.80.0120.01213.75
5.5.70.0140.00713.95
5.5.60.0130.01114.30
5.5.50.0180.00413.96
5.5.40.0140.00714.24
5.5.30.0110.01014.44
5.5.20.0140.00614.22
5.5.10.0080.01214.33
5.5.00.0110.01114.14
5.4.450.0140.00010.88
5.4.440.0080.00610.76
5.4.430.0170.00310.92
5.4.420.0120.00610.97
5.4.410.0040.01210.99
5.4.400.0090.00911.05
5.4.390.0160.00011.07
5.4.380.0070.01010.86
5.4.370.0110.00610.83
5.4.360.0130.00210.80
5.4.350.0110.00910.97
5.4.340.0130.00410.85
5.4.330.0110.00410.93
5.4.320.0160.00311.13
5.4.310.0160.00010.95
5.4.300.0060.01110.92
5.4.290.0140.00610.91
5.4.280.0170.00310.85
5.4.270.0150.00610.74
5.4.260.0040.01311.05
5.4.250.0110.00410.76
5.4.240.0090.00911.04
5.4.230.0150.00310.95
5.4.220.0120.00811.01
5.4.210.0100.00510.86
5.4.200.0150.00311.08
5.4.190.0080.00811.01
5.4.180.0100.00610.68
5.4.170.0100.01010.82
5.4.160.0060.01210.63
5.4.150.0120.00411.13
5.4.140.0130.00311.11
5.4.130.0150.00410.98
5.4.120.0110.00610.65
5.4.110.0100.00711.25
5.4.100.0150.00810.93
5.4.90.0110.00810.85
5.4.80.0040.01310.80
5.4.70.0100.00310.84
5.4.60.0150.00010.70
5.4.50.0140.00310.79
5.4.40.0140.00010.64
5.4.30.0080.00810.95
5.4.20.0070.01111.05
5.4.10.0060.00911.05
5.4.00.0140.00010.96
5.3.290.0070.01110.49
5.3.280.0130.00310.45
5.3.270.0140.00610.50
5.3.260.0100.00710.36
5.3.250.0130.00310.18
5.3.240.0150.00310.17
5.3.230.0100.00710.31
5.3.220.0160.00410.37
5.3.210.0110.00410.19
5.3.200.0090.00910.29
5.3.190.0090.00610.39
5.3.180.0100.00410.43
5.3.170.0080.00510.43
5.3.160.0130.00410.55
5.3.150.0080.00810.33
5.3.140.0080.00810.38
5.3.130.0120.00610.40
5.3.120.0110.00410.35
5.3.110.0040.01110.32
5.3.100.0030.01010.43
5.3.90.0070.01010.57
5.3.80.0130.00010.27
5.3.70.0120.00410.17
5.3.60.0070.01110.29
5.3.50.0090.00910.36
5.3.40.0110.00610.39
5.3.30.0090.00610.29
5.3.20.0140.00410.32
5.3.10.0000.01510.20
5.3.00.0100.00710.17
5.2.170.0100.00510.17
5.2.160.0060.00610.17
5.2.150.0000.01110.17
5.2.140.0100.00310.17
5.2.130.0100.00510.17
5.2.120.0080.00410.17
5.2.110.0070.00710.17
5.2.100.0000.01210.17
5.2.90.0100.00310.17
5.2.80.0100.00310.17
5.2.70.0100.00310.17
5.2.60.0030.01210.17
5.2.50.0130.00010.17
5.2.40.0090.00310.17
5.2.30.0050.01010.17
5.2.20.0130.00010.17
5.2.10.0220.00610.17
5.2.00.0070.00710.17
5.1.60.0050.00510.17
5.1.50.0080.00310.17
5.1.40.0050.00610.17
5.1.30.0060.00610.17
5.1.20.0090.00310.17
5.1.10.0110.00010.17
5.1.00.0030.00710.17
5.0.50.0070.00210.17
5.0.40.0110.00010.17
5.0.30.0050.00510.17
5.0.20.0070.00010.17
5.0.10.0090.00410.17
5.0.00.0060.00610.17
4.4.90.0070.00010.17
4.4.80.0040.00210.17
4.4.70.0000.00810.17
4.4.60.0080.00010.17
4.4.50.0030.00310.17
4.4.40.0040.00410.17
4.4.30.0000.00810.17
4.4.20.0070.00310.17
4.4.10.0090.00010.17
4.4.00.0060.00310.17
4.3.110.0060.00310.17
4.3.100.0050.00310.17
4.3.90.0040.00410.17
4.3.80.0030.00310.17
4.3.70.0030.00510.17
4.3.60.0040.00410.17
4.3.50.0030.00310.17
4.3.40.0040.00210.17
4.3.30.0000.00710.17
4.3.20.0040.00210.17
4.3.10.0000.00810.17
4.3.00.0030.00410.17

preferences:
43.03 ms | 403 KiB | 5 Q