3v4l.org

run code in 300+ PHP versions simultaneously
<?php $bit = 5.99999999999999; echo("1 << 6 = "); echo(1 << 6); echo("\n"); echo("\$bit = "); echo($bit); echo("\n"); echo("1 << \$bit = "); echo(1 << $bit); echo("\n"); echo("gettype(6) = "); echo gettype(6); echo("\n"); echo("gettype(log(64,2)) = "); echo gettype(log(64,2)); echo("\n"); echo("1 << round(\$bit) = "); echo(1 << round($bit));

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)
8.3.60.0040.01116.63
8.3.50.0070.00718.15
8.3.40.0130.00319.09
8.3.30.0070.01318.76
8.3.20.0080.00020.43
8.3.10.0040.00422.04
8.3.00.0040.00423.79
8.2.180.0140.00716.63
8.2.170.0040.01122.96
8.2.160.0100.00322.40
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0080.00019.57
8.2.120.0050.00326.35
8.2.110.0030.00719.44
8.2.100.0070.00418.09
8.2.90.0090.00317.91
8.2.80.0000.00919.11
8.2.70.0050.00317.75
8.2.60.0000.00817.63
8.2.50.0030.00618.16
8.2.40.0040.00418.02
8.2.30.0040.00419.34
8.2.20.0040.00418.19
8.2.10.0040.00418.20
8.2.00.0060.00318.19
8.1.280.0100.01025.92
8.1.270.0020.00524.10
8.1.260.0140.00026.35
8.1.250.0000.00728.09
8.1.240.0030.00622.16
8.1.230.0070.00421.16
8.1.220.0000.00817.91
8.1.210.0040.00419.07
8.1.200.0090.00017.48
8.1.190.0060.00317.48
8.1.180.0050.00318.10
8.1.170.0030.00617.76
8.1.160.0040.00419.00
8.1.150.0040.00420.21
8.1.140.0040.00419.62
8.1.130.0050.00219.02
8.1.120.0050.00217.64
8.1.110.0040.00417.56
8.1.100.0080.00317.47
8.1.90.0080.00017.53
8.1.80.0040.00417.47
8.1.70.0040.00417.62
8.1.60.0040.00417.77
8.1.50.0080.00017.61
8.1.40.0030.00617.54
8.1.30.0000.00817.81
8.1.20.0060.00317.77
8.1.10.0040.00417.64
8.1.00.0000.00817.57
8.0.300.0000.00720.22
8.0.290.0070.00016.88
8.0.280.0070.00018.57
8.0.270.0070.00017.26
8.0.260.0030.00319.06
8.0.250.0030.00317.12
8.0.240.0000.00717.13
8.0.230.0030.00317.17
8.0.220.0070.00017.07
8.0.210.0000.00617.07
8.0.200.0030.00317.03
8.0.190.0030.00517.11
8.0.180.0040.00417.12
8.0.170.0000.00816.93
8.0.160.0070.00017.08
8.0.150.0070.00017.04
8.0.140.0000.00817.01
8.0.130.0050.00013.50
8.0.120.0070.00017.08
8.0.110.0040.00417.04
8.0.100.0040.00417.14
8.0.90.0000.00716.93
8.0.80.0120.00317.00
8.0.70.0030.00516.95
8.0.60.0000.00816.93
8.0.50.0050.00317.03
8.0.30.0120.00717.18
8.0.20.0140.00917.40
8.0.10.0040.00417.18
8.0.00.0060.01117.05
7.4.330.0050.00015.55
7.4.320.0030.00316.79
7.4.300.0040.00416.79
7.4.290.0070.00016.67
7.4.280.0050.00316.73
7.4.270.0030.00316.66
7.4.260.0070.00016.79
7.4.250.0060.00316.75
7.4.240.0020.00516.62
7.4.230.0040.00416.70
7.4.220.0030.01416.61
7.4.210.0070.00716.80
7.4.200.0040.00416.78
7.4.160.0100.00616.63
7.4.150.0150.00917.40
7.4.140.0140.00917.86
7.4.130.0190.00016.68
7.4.120.0090.01116.59
7.4.110.0030.01316.66
7.4.100.0120.00916.59
7.4.90.0120.00616.64
7.4.80.0030.01719.39
7.4.70.0100.01016.55
7.4.60.0130.00316.53
7.4.50.0100.00316.82
7.4.40.0120.00616.54
7.4.30.0090.00716.70
7.4.10.0060.01315.20
7.4.00.0080.00915.02
7.3.330.0060.00013.34
7.3.320.0030.00313.39
7.3.310.0030.00316.34
7.3.300.0020.00516.52
7.3.290.0130.00316.46
7.3.280.0070.01116.39
7.3.270.0060.01217.40
7.3.260.0150.00516.67
7.3.250.0070.01016.46
7.3.240.0080.00816.39
7.3.230.0110.00716.42
7.3.210.0090.00616.33
7.3.200.0090.00616.66
7.3.190.0130.00316.84
7.3.180.0130.00316.60
7.3.170.0180.00016.60
7.3.160.0090.00616.66
7.3.130.0030.01415.03
7.3.120.0080.01115.19
7.3.110.0100.00714.92
7.3.100.0070.00415.25
7.3.90.0070.00715.10
7.3.80.0070.00715.00
7.3.70.0060.00615.17
7.3.60.0040.01214.77
7.3.50.0030.00915.09
7.3.40.0060.00614.96
7.3.30.0130.00315.07
7.3.20.0040.01117.00
7.3.10.0040.00916.90
7.3.00.0090.00617.01
7.2.330.0110.00716.86
7.2.320.0130.01016.50
7.2.310.0060.00916.70
7.2.300.0130.01016.52
7.2.290.0050.01016.58
7.2.260.0120.00615.47
7.2.250.0070.01114.93
7.2.240.0060.00915.52
7.2.230.0070.00715.25
7.2.220.0030.01015.04
7.2.210.0080.00315.21
7.2.200.0000.01215.23
7.2.190.0070.00715.23
7.2.180.0130.00315.39
7.2.170.0030.01115.36
7.2.160.0080.00415.15
7.2.150.0070.00716.85
7.2.140.0120.00617.07
7.2.130.0050.01016.88
7.2.120.0090.00517.22
7.2.110.0050.00817.01
7.2.100.0050.01017.22
7.2.90.0090.00517.29
7.2.80.0010.00917.02
7.2.70.0060.01117.01
7.2.60.0060.00817.13
7.2.50.0070.00617.15
7.2.40.0060.00617.20
7.2.30.0110.00517.00
7.2.20.0030.00817.28
7.2.10.0020.00816.92
7.2.00.0080.00716.98
7.1.330.0130.00016.14
7.1.320.0060.00916.02
7.1.310.0040.00916.00
7.1.300.0070.01016.24
7.1.290.0000.00815.99
7.1.280.0060.00616.13
7.1.270.0070.00316.16
7.1.260.0060.00616.06
7.1.250.0070.00715.99
7.1.240.0130.00016.13
7.1.230.0110.00416.05
7.1.220.0000.00916.27
7.1.210.0100.00316.20
7.1.200.0050.00715.92
7.1.190.0040.00716.15
7.1.180.0040.01116.08
7.1.170.0060.00916.02
7.1.160.0120.00016.22
7.1.150.0030.01016.01
7.1.140.0040.00416.13
7.1.130.0040.01216.18
7.1.120.0060.00316.03
7.1.110.0000.01016.34
7.1.100.0030.00915.83
7.1.90.0180.00916.20
7.1.80.0130.00916.37
7.1.70.0170.00815.72
7.1.60.0470.00724.74
7.1.50.0200.00824.42
7.1.40.0260.01424.34
7.1.30.0240.01424.35
7.1.20.0260.01524.40
7.1.10.0120.01015.52
7.1.00.0160.00715.42
7.0.330.0050.00315.66
7.0.320.0000.01015.76
7.0.310.0040.00415.66
7.0.300.0030.00715.89
7.0.290.0070.00315.54
7.0.280.0100.00315.76
7.0.270.0000.01015.75
7.0.260.0070.00715.98
7.0.250.0040.00815.82
7.0.240.0000.01315.87
7.0.230.0200.01015.93
7.0.220.0130.00815.86
7.0.210.0160.01115.36
7.0.200.0130.00915.19
7.0.190.0140.00815.41
7.0.180.0180.00915.18
7.0.170.0250.00515.15
7.0.160.0230.00715.18
7.0.150.0100.01015.10
7.0.140.0170.00315.21
7.0.130.0130.01015.43
7.0.120.0150.00615.32
7.0.110.0190.00715.23
7.0.100.0190.00515.17
7.0.90.0150.00515.13
7.0.80.0190.00415.40
7.0.70.0160.00815.31
7.0.60.0190.00615.06
7.0.50.0140.00815.45
7.0.40.0330.00215.11
7.0.30.0060.00715.08
7.0.20.0030.00814.92
7.0.10.0030.01015.18
7.0.00.0020.01115.22
5.6.400.0060.00614.41
5.6.390.0030.00714.48
5.6.380.0030.01014.46
5.6.370.0030.00614.64
5.6.360.0000.01214.51
5.6.350.0130.00014.50
5.6.340.0060.01014.51
5.6.330.0070.00414.58
5.6.320.0030.00914.49
5.6.310.0080.00414.58
5.6.300.0030.01214.64
5.6.290.0070.01114.64
5.6.280.0100.00714.44
5.6.270.0070.00714.86
5.6.260.0000.00914.39
5.6.250.0100.00314.24
5.6.240.0000.01114.62
5.6.230.0060.01014.70
5.6.220.0090.00314.57
5.6.210.0040.00414.71
5.6.200.0100.00314.45
5.6.190.0070.00414.44
5.6.180.0090.00614.50
5.6.170.0080.00414.70
5.6.160.0040.00814.25
5.6.150.0090.00314.22
5.6.140.0120.00014.30
5.6.130.0070.00714.76
5.6.120.0040.00414.59
5.6.110.0080.00614.30
5.6.100.0000.01414.43
5.6.90.0000.01214.13
5.6.80.0080.00814.40
5.6.70.0000.01114.67
5.6.60.0060.00314.61
5.6.50.0040.00814.36
5.6.40.0090.00314.56
5.6.30.0070.00714.67
5.6.20.0090.00314.68
5.6.10.0060.00614.51
5.6.00.0040.01114.34

preferences:
66.12 ms | 401 KiB | 5 Q