3v4l.org

run code in 500+ PHP versions simultaneously
<?php function intval32bits($value) { $value = ($value & 0xFFFFFFFF); if ($value & 0x80000000) $value = -((~$value & 0xFFFFFFFF) + 1); return $value; } function shift_left_32( $a, $b ):int { return intval32bits( $a << $b ); } echo shift_left_32(0, 5);

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)
8.5.30.0100.00819.04
8.5.20.0120.00619.34
8.5.10.0080.00716.43
8.5.00.0090.01319.85
8.4.180.0130.00819.76
8.4.170.0120.00923.71
8.4.160.0100.01223.86
8.4.150.0060.00616.82
8.4.140.0100.01117.45
8.4.130.0120.00717.43
8.4.120.0100.00920.48
8.4.110.0060.00324.02
8.4.100.0070.00218.02
8.4.90.0090.00620.36
8.4.80.0030.00518.88
8.4.70.0050.00318.88
8.4.60.0110.00720.29
8.4.50.0100.01020.60
8.4.40.0120.00322.30
8.4.30.0100.00718.51
8.4.20.0100.01018.81
8.4.10.0000.00817.79
8.3.300.0090.01019.14
8.3.290.0130.00918.36
8.3.280.0110.01018.25
8.3.270.0120.00916.68
8.3.260.0150.00416.56
8.3.250.0130.00618.82
8.3.240.0130.00516.25
8.3.230.0030.00516.60
8.3.220.0110.00818.96
8.3.210.0100.00516.57
8.3.200.0050.00416.52
8.3.190.0050.00617.21
8.3.180.0110.00720.52
8.3.170.0120.00617.02
8.3.160.0040.01518.46
8.3.150.0000.00918.26
8.3.140.0060.00616.29
8.3.130.0040.00416.45
8.3.120.0030.00619.09
8.3.110.0060.00320.94
8.3.100.0070.01124.06
8.3.90.0100.00026.77
8.3.80.0080.00417.93
8.3.70.0110.00716.38
8.3.60.0090.00918.30
8.3.50.0130.00617.47
8.3.40.0090.00618.89
8.3.30.0090.01618.73
8.3.20.0050.00322.22
8.3.10.0070.00020.35
8.3.00.0070.00023.66
8.2.300.0060.01417.96
8.2.290.0110.00816.39
8.2.280.0110.00818.44
8.2.270.0110.00716.68
8.2.260.0140.00417.22
8.2.250.0000.01916.81
8.2.240.0080.00016.81
8.2.230.0060.00322.58
8.2.220.0100.00737.54
8.2.210.0060.00326.77
8.2.200.0000.00816.63
8.2.190.0090.00616.58
8.2.180.0060.01218.42
8.2.170.0040.01122.96
8.2.160.0110.00420.39
8.2.150.0080.00024.18
8.2.140.0000.00724.66
8.2.130.0000.00726.16
8.2.120.0100.00719.76
8.2.110.0000.01020.95
8.2.100.0110.00017.91
8.2.90.0040.00418.03
8.2.80.0040.00419.11
8.2.70.0050.00319.66
8.2.60.0000.00918.22
8.2.50.0030.00618.10
8.2.40.0000.00719.33
8.2.30.0040.00419.26
8.2.20.0050.00317.95
8.2.10.0080.00019.28
8.2.00.0000.00719.11
8.1.340.0160.00517.67
8.1.330.0100.00715.89
8.1.320.0150.00418.00
8.1.310.0050.00316.52
8.1.300.0120.00416.93
8.1.290.0030.00730.84
8.1.280.0070.01325.92
8.1.270.0050.00320.70
8.1.260.0050.00326.35
8.1.250.0000.00728.09
8.1.240.0040.00422.02
8.1.230.0080.00420.95
8.1.220.0060.00317.74
8.1.210.0000.00818.77
8.1.200.0100.00017.09
8.1.190.0000.00817.10
8.1.180.0040.00418.10
8.1.170.0060.00318.46
8.1.160.0000.00719.00
8.1.150.0000.00718.82
8.1.140.0000.00820.96
8.1.130.0040.00719.95
8.1.120.0030.00317.37
8.1.110.0000.00717.31
8.1.100.0000.00817.41
8.1.90.0080.00017.40
8.1.80.0000.00717.28
8.1.70.0040.00717.46
8.1.60.0000.01017.57
8.1.50.0090.00017.54
8.1.40.0040.00417.50
8.1.30.0030.00617.64
8.1.20.0060.00317.57
8.1.10.0040.00417.56
8.1.00.0080.00317.50
8.0.300.0070.00020.16
8.0.290.0030.00516.63
8.0.280.0000.00718.36
8.0.270.0000.00717.18
8.0.260.0060.00019.98
8.0.250.0000.00716.84
8.0.240.0000.00816.86
8.0.230.0040.00416.88
8.0.220.0030.00316.84
8.0.210.0040.00416.74
8.0.200.0000.00716.82
8.0.190.0000.00716.73
8.0.180.0050.00316.83
8.0.170.0040.00416.87
8.0.160.0060.00316.91
8.0.150.0040.00416.82
8.0.140.0000.00716.70
8.0.130.0000.00613.35
8.0.120.0000.00716.82
8.0.110.0000.00816.64
8.0.100.0060.00316.70
8.0.90.0030.00516.82
8.0.80.0060.01116.87
8.0.70.0030.00516.76
8.0.60.0000.00716.82
8.0.50.0000.00716.65
8.0.30.0090.00917.07
8.0.20.0120.00816.96
8.0.10.0000.00816.79
8.0.00.0160.00416.79
7.4.330.0000.00516.76
7.4.320.0030.00316.46
7.4.300.0030.00316.65
7.4.290.0080.00016.59
7.4.280.0030.00516.39
7.4.270.0000.00716.67
7.4.260.0000.00613.34
7.4.250.0000.00716.49
7.4.240.0030.00316.58
7.4.230.0070.00016.53
7.4.220.0040.00316.36
7.4.210.0070.00816.50
7.4.200.0070.00016.61
7.4.130.0140.01216.43
7.4.120.0090.00916.26
7.4.110.0110.00716.59
7.4.100.0060.01016.50
7.4.90.0090.01016.33
7.4.80.0040.01219.39
7.4.70.0120.00916.29
7.4.60.0030.02016.49
7.4.50.0030.01316.45
7.4.40.0130.00316.55
7.4.00.0070.00715.18
7.3.330.0030.00316.32
7.3.320.0030.00313.31
7.3.310.0050.00216.18
7.3.300.0030.00316.32
7.3.290.0030.00316.27
7.3.280.0030.01716.31
7.3.260.0090.00916.42
7.3.230.0070.01016.49
7.3.210.0110.00616.57
7.3.200.0080.01216.33
7.3.190.0060.01016.38
7.3.180.0150.00616.36
7.3.170.0080.00816.32
7.3.160.0160.00316.39
7.3.80.0070.00714.58
7.3.70.0070.00714.57
7.3.60.0080.00814.64
7.3.50.0090.00514.45
7.3.40.0030.01014.39
7.3.30.0030.00914.60
7.3.20.0120.00814.79
7.3.10.0150.00614.60
7.3.00.0150.00614.80
7.2.330.0100.01116.80
7.2.320.0100.00616.78
7.2.310.0060.01216.70
7.2.300.0130.00416.37
7.2.290.0070.01016.60
7.2.210.0150.00015.03
7.2.200.0120.00014.89
7.2.190.0030.00914.80
7.2.180.0060.00914.87
7.2.170.0060.00614.83
7.2.160.0120.00614.84
7.2.150.0090.00614.84
7.2.140.0040.01914.92
7.2.130.0140.00714.86
7.2.120.0070.01115.00
7.2.110.0140.00914.82
7.2.100.0130.00614.92
7.2.90.0200.00314.61
7.2.80.0130.01314.80
7.2.70.0120.01514.75
7.2.60.0120.00614.89
7.2.50.0090.00914.95
7.2.40.0120.00614.94
7.2.30.0100.01014.96
7.2.20.0100.01014.79
7.2.10.0150.00414.96
7.2.00.0040.01114.95
7.1.310.0090.00613.64
7.1.300.0100.01013.67
7.1.290.0090.00913.80
7.1.280.0140.00013.90
7.1.270.0110.00313.49
7.1.260.0920.00713.80
7.1.250.0090.00913.92

preferences:
45.88 ms | 1426 KiB | 5 Q