3v4l.org

run code in 300+ PHP versions simultaneously
<?php $t1 = decbin(8); echo $t1; echo "\n"; $t2 = substr($t1, 0, 6); echo $t2; echo "\n"; $t3 = bindec($t2); echo $t3; echo "\n"; $t4 = chr($t3); echo $t4; echo "\n"; echo chr(bindec(substr(decbin(193), 0, 6)));

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)
8.3.40.0040.01118.76
8.3.30.0140.00018.92
8.3.20.0040.00420.34
8.3.10.0040.00423.48
8.3.00.0040.00420.77
8.2.170.0140.00722.96
8.2.160.0100.00320.35
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0070.00020.85
8.2.110.0090.00022.24
8.2.100.0040.00817.59
8.2.90.0080.00318.99
8.2.80.0040.00417.97
8.2.70.0080.00017.50
8.2.60.0070.00317.93
8.2.50.0000.00818.07
8.2.40.0040.00421.10
8.2.30.0000.00718.14
8.2.20.0060.00317.58
8.2.10.0040.00417.95
8.2.00.0070.00017.62
8.1.270.0080.00023.96
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00323.64
8.1.230.0060.00619.15
8.1.220.0080.00017.74
8.1.210.0060.00318.77
8.1.200.0000.01017.23
8.1.190.0040.00417.00
8.1.180.0040.00418.10
8.1.170.0000.00818.47
8.1.160.0040.00421.88
8.1.150.0050.00318.60
8.1.140.0040.00417.40
8.1.130.0050.00317.78
8.1.120.0030.00317.39
8.1.110.0070.00017.40
8.1.100.0020.00517.34
8.1.90.0000.00717.43
8.1.80.0080.00017.36
8.1.70.0070.00017.41
8.1.60.0060.00317.42
8.1.50.0080.00017.32
8.1.40.0020.00517.48
8.1.30.0080.00017.54
8.1.20.0040.00417.61
8.1.10.0000.00717.40
8.1.00.0000.00717.38
8.0.300.0000.00818.77
8.0.290.0050.00216.75
8.0.280.0030.00318.46
8.0.270.0000.00717.23
8.0.260.0070.00017.32
8.0.250.0040.00416.84
8.0.240.0000.00716.86
8.0.230.0000.00716.91
8.0.220.0030.00316.80
8.0.210.0070.00016.88
8.0.200.0000.00616.80
8.0.190.0050.00316.91
8.0.180.0050.00216.88
8.0.170.0040.00416.77
8.0.160.0000.00716.90
8.0.150.0050.00316.77
8.0.140.0000.00716.78
8.0.130.0030.00313.14
8.0.120.0090.00016.86
8.0.110.0000.00716.87
8.0.100.0080.00016.71
8.0.90.0000.00716.68
8.0.80.0120.00816.78
8.0.70.0050.00516.61
8.0.60.0040.00416.64
8.0.50.0000.00816.73
8.0.30.0070.01116.82
8.0.20.0120.01217.41
8.0.10.0070.00016.94
8.0.00.0050.01216.85
7.4.330.0060.00015.04
7.4.320.0000.00716.36
7.4.300.0070.00016.46
7.4.290.0030.00316.55
7.4.280.0080.00016.46
7.4.270.0000.00716.56
7.4.260.0060.00316.43
7.4.250.0040.00416.58
7.4.240.0020.00516.50
7.4.230.0020.00516.54
7.4.220.0080.00816.54
7.4.210.0070.00816.47
7.4.200.0000.00816.55
7.4.190.0080.00016.71
7.4.160.0080.00816.34
7.4.150.0120.00917.40
7.4.140.0100.00817.86
7.4.130.0060.01116.37
7.4.120.0120.00516.42
7.4.110.0030.01716.51
7.4.100.0140.00716.54
7.4.90.0120.00816.61
7.4.80.0120.01419.39
7.4.70.0100.00716.37
7.4.60.0070.01016.52
7.4.50.0030.00316.23
7.4.40.0060.00916.33
7.4.30.0100.00616.54
7.4.10.0150.00414.98
7.4.00.0050.01314.90
7.3.330.0030.00413.09
7.3.320.0000.00513.13
7.3.310.0040.00416.23
7.3.300.0000.00716.13
7.3.290.0110.00416.22
7.3.280.0100.00916.21
7.3.270.0130.00317.40
7.3.260.0140.00716.52
7.3.250.0060.01416.36
7.3.240.0130.00616.11
7.3.230.0070.01016.55
7.3.210.0090.00916.33
7.3.200.0040.01219.39
7.3.190.0090.00616.45
7.3.180.0030.01316.44
7.3.170.0110.01116.34
7.3.160.0130.00316.59
7.3.130.0070.01114.73
7.3.120.0070.00914.72
7.3.110.0070.01014.76
7.3.100.0030.01014.53
7.3.90.0040.01214.88
7.3.80.0070.00714.71
7.3.70.0030.01414.53
7.3.60.0100.00614.71
7.3.50.0030.00914.78
7.3.40.0080.00614.85
7.3.30.0090.00614.75
7.3.20.0030.00616.61
7.3.10.0060.00616.34
7.3.00.0070.00716.52
7.2.330.0120.00616.30
7.2.320.0040.01416.63
7.2.310.0140.00416.66
7.2.300.0140.00716.64
7.2.290.0040.01716.66
7.2.260.0030.01314.90
7.2.250.0060.00614.59
7.2.240.0140.00314.94
7.2.230.0040.01415.05
7.2.220.0060.01015.08
7.2.210.0000.01514.56
7.2.200.0030.00714.84
7.2.190.0060.00815.12
7.2.180.0000.00914.79
7.2.170.0030.01015.12
7.2.160.0060.00614.71
7.2.150.0030.00916.65
7.2.140.0130.00316.91
7.2.130.0000.01216.84
7.2.120.0030.01316.97
7.2.110.0060.01216.93
7.2.100.0050.00516.50
7.2.90.0070.00716.60
7.2.80.0030.01016.58
7.2.70.0080.00816.51
7.2.60.0080.00916.46
7.2.50.0080.00616.86
7.2.40.0030.00916.90
7.2.30.0090.00616.76
7.2.20.0040.00816.61
7.2.10.0040.01216.72
7.2.00.0040.00917.91
7.1.330.0060.00615.90
7.1.320.0140.00016.01
7.1.310.0000.01415.54
7.1.300.0030.00615.75
7.1.290.0060.00315.81
7.1.280.0030.00915.76
7.1.270.0000.00815.71
7.1.260.0070.00715.65
7.1.250.0100.00315.80
7.1.240.0070.01115.76
7.1.230.0130.00315.68
7.1.220.0000.01115.75
7.1.210.0070.00415.72
7.1.200.0050.00815.74
7.1.190.0110.00415.55
7.1.180.0060.00915.79
7.1.170.0140.00015.70
7.1.160.0000.00815.61
7.1.150.0090.00615.61
7.1.140.0030.00915.71
7.1.130.0070.00715.76
7.1.120.0030.00715.68
7.1.110.0000.01515.88
7.1.100.0030.01017.03
7.1.90.0100.00315.97
7.1.80.0080.00015.83
7.1.70.0010.00716.43
7.1.60.0080.01117.47
7.1.50.0080.00916.30
7.1.40.0050.00515.58
7.1.30.0100.00315.61
7.1.20.0070.00715.46
7.1.10.0000.00915.70
7.1.00.0030.04019.03
7.0.330.0040.00815.40
7.0.320.0080.00015.60
7.0.310.0090.00015.56
7.0.300.0060.00915.42
7.0.290.0040.01115.54
7.0.280.0060.00615.52
7.0.270.0140.00015.18
7.0.260.0040.01115.19
7.0.250.0040.01115.46
7.0.240.0060.00915.62
7.0.230.0060.00315.55
7.0.220.0030.00915.61
7.0.210.0030.01215.23
7.0.200.0090.00416.08
7.0.190.0030.00915.50
7.0.180.0030.00515.31
7.0.170.0040.01115.41
7.0.160.0070.00715.16
7.0.150.0080.00415.50
7.0.140.0030.04218.82
7.0.130.0130.00015.54
7.0.120.0030.01015.61
7.0.110.0080.00315.10
7.0.100.0030.00715.50
7.0.90.0000.01415.27
7.0.80.0040.00815.44
7.0.70.0100.00315.57
7.0.60.0080.02717.73
7.0.50.0080.03316.66
7.0.40.0120.03316.80
7.0.30.0180.04516.80
7.0.20.0170.03116.82
7.0.10.0030.02716.70
7.0.00.0030.02616.92
5.6.400.0040.00413.93
5.6.390.0070.00714.12
5.6.380.0030.01013.98
5.6.370.0060.00614.34
5.6.360.0040.01114.43
5.6.350.0000.01714.60
5.6.340.0030.00714.48
5.6.330.0030.01014.32
5.6.320.0040.00414.05
5.6.310.0030.01014.35
5.6.300.0040.00814.29
5.6.290.0040.01114.37
5.6.280.0080.03417.57
5.6.270.0060.00614.37
5.6.260.0040.00814.16
5.6.250.0070.00714.14
5.6.240.0000.01313.97
5.6.230.0040.00714.34
5.6.220.0100.00314.17
5.6.210.0110.03817.42
5.6.200.0070.02716.25
5.6.190.0030.03217.53
5.6.180.0050.04417.23
5.6.170.0210.03517.25
5.6.160.0030.02817.35
5.6.150.0050.02716.18
5.6.140.0000.04716.27
5.6.130.0040.02416.14
5.6.120.0050.04717.69
5.6.110.0020.03017.62
5.6.100.0050.04817.81
5.6.90.0070.03217.70
5.6.80.0060.02017.30
5.6.70.0070.00714.18
5.6.60.0000.01514.16
5.6.50.0040.00814.03
5.6.40.0110.00414.06
5.6.30.0000.00914.23
5.6.20.0060.00614.07
5.6.10.0030.00914.41
5.6.00.0070.00714.18
5.5.380.0060.00314.34
5.5.370.0030.00914.44
5.5.360.0040.00713.85
5.5.350.0030.03317.12
5.5.340.0060.04316.04
5.5.330.0080.04217.34
5.5.320.0160.02017.16
5.5.310.0140.03117.22
5.5.300.0080.02016.13
5.5.290.0080.04116.10
5.5.280.0050.03217.60
5.5.270.0100.04317.42
5.5.260.0070.03517.47
5.5.250.0050.04517.20
5.5.240.0050.04617.24
5.5.230.0030.01314.13
5.5.220.0040.01114.12
5.5.210.0040.01113.89
5.5.200.0030.01414.23
5.5.190.0040.00814.10
5.5.180.0060.00614.03
5.5.170.0040.01114.30
5.5.160.0030.01013.84
5.5.150.0040.00414.26
5.5.140.0070.00714.23
5.5.130.0120.00014.28
5.5.120.0110.00013.99
5.5.110.0100.00314.14
5.5.100.0030.00613.71
5.5.90.0030.00613.98
5.5.80.0030.01013.91
5.5.70.0030.01014.11
5.5.60.0080.00414.36
5.5.50.0000.00813.94
5.5.40.0030.00913.71
5.5.30.0080.00413.98
5.5.20.0130.00313.98
5.5.10.0070.00714.18
5.5.00.0060.00313.97
5.4.450.0450.04016.26
5.4.440.0420.03416.37
5.4.430.0610.03816.28
5.4.420.0450.02816.28
5.4.410.0260.03116.16
5.4.400.0450.02916.16
5.4.390.0570.03316.14
5.4.380.0130.03315.91
5.4.370.0120.02615.91
5.4.360.0100.02715.87
5.4.350.0130.03515.78
5.4.340.0120.02515.81
5.4.330.0040.00813.10
5.4.320.0080.02812.78
5.4.310.0060.02912.78
5.4.300.0030.02412.78
5.4.290.0050.02312.78
5.4.280.0050.01912.72
5.4.270.0040.03112.72
5.4.260.0060.02112.72
5.4.250.0040.02312.73
5.4.240.0030.02912.72
5.4.230.0060.02412.72
5.4.220.0050.02112.72
5.4.210.0050.02112.72
5.4.200.0050.02712.72
5.4.190.0050.02312.72
5.4.180.0070.02312.72
5.4.170.0050.01912.72
5.4.160.0060.02212.72
5.4.150.0040.02312.72
5.4.140.0040.02412.56
5.4.130.0060.02112.56
5.4.120.0050.02212.54
5.4.110.0060.01812.54
5.4.100.0020.02612.54
5.4.90.0020.02312.53
5.4.80.0050.02412.54
5.4.70.0070.02012.53
5.4.60.0020.02312.53
5.4.50.0060.02212.53
5.4.40.0040.02112.53
5.4.30.0030.02212.53
5.4.20.0040.02312.53
5.4.10.0050.02812.52
5.4.00.0080.02212.27
5.3.290.0050.02212.95
5.3.280.0050.02312.90
5.3.270.0050.02312.91
5.3.260.0040.02212.91
5.3.250.0060.02212.91
5.3.240.0040.02412.91
5.3.230.0050.02412.90
5.3.220.0060.02012.89
5.3.210.0050.02312.89
5.3.200.0080.02012.89
5.3.190.0040.02612.89
5.3.180.0080.02112.89
5.3.170.0040.02312.88
5.3.160.0020.02412.89
5.3.150.0040.02412.89
5.3.140.0020.02612.88
5.3.130.0060.02012.88
5.3.120.0050.02312.88
5.3.110.0050.02412.88
5.3.100.0040.02512.61
5.3.90.0060.02112.59
5.3.80.0070.02112.59
5.3.70.0080.02112.59
5.3.60.0070.02112.58
5.3.50.0040.02112.55
5.3.40.0060.02112.55
5.3.30.0020.02412.52
5.3.20.0080.02112.41
5.3.10.0020.02312.40
5.3.00.0060.02412.39
5.2.170.0040.0419.18
5.2.160.0050.0379.18
5.2.150.0060.0409.18
5.2.140.0080.0369.17
5.2.130.0090.0349.13
5.2.120.0070.0419.14
5.2.110.0040.0429.14
5.2.100.0070.0429.14
5.2.90.0070.0439.14
5.2.80.0040.0479.13
5.2.70.0050.0459.13
5.2.60.0090.0429.09
5.2.50.0070.0439.06
5.2.40.0070.0409.03
5.2.30.0080.0429.01
5.2.20.0100.0379.00
5.2.10.0050.0408.93
5.2.00.0090.0398.79
5.1.60.0140.0278.08
5.1.50.0040.0368.07
5.1.40.0060.0348.06
5.1.30.0040.0368.41
5.1.20.0080.0368.43
5.1.10.0050.0368.15
5.1.00.0090.0338.15
5.0.50.0070.0266.63
5.0.40.0050.0276.49
5.0.30.0050.0426.30
5.0.20.0030.0286.27
5.0.10.0040.0226.25
5.0.00.0030.0426.24
4.4.90.0030.0174.77
4.4.80.0030.0164.75
4.4.70.0010.0194.76
4.4.60.0030.0184.75
4.4.50.0060.0204.77
4.4.40.0040.0344.70
4.4.30.0060.0144.76
4.4.20.0050.0154.85
4.4.10.0040.0164.85
4.4.00.0040.0304.75
4.3.110.0050.0144.67
4.3.100.0020.0174.66
4.3.90.0030.0154.63
4.3.80.0030.0324.58
4.3.70.0040.0214.63
4.3.60.0030.0174.63
4.3.50.0050.0154.63
4.3.40.0040.0324.54
4.3.30.0040.0283.29
4.3.20.0050.0223.27
4.3.10.0040.0193.23
4.3.00.0070.0237.09

preferences:
50.8 ms | 400 KiB | 5 Q