3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $start=microtime(1); $a=(string)8e300; var_dump($a.''); print 'Time: '.(microtime(1)-$start);
Output for 7.1.0
string(8) "8.0E+300" Time: -2.6941299438477E-5
Output for 5.2.2, 5.2.16, 7.0.14
string(8) "8.0E+300" Time: 2.3126602172852E-5
Output for 7.0.7, 7.0.10
string(8) "8.0E+300" Time: 1.6927719116211E-5
Output for 5.3.0, 5.3.19, 7.0.9
string(8) "8.0E+300" Time: 1.7881393432617E-5
Output for 7.0.8
string(8) "8.0E+300" Time: 2.0027160644531E-5
Output for 5.3.28, 7.0.6
string(8) "8.0E+300" Time: 1.8119812011719E-5
Output for 5.5.2, 5.5.5, 5.5.8, 5.6.8 - 5.6.9, 5.6.17, 5.6.22, 7.0.5
string(8) "8.0E+300" Time: 2.4080276489258E-5
Output for 5.2.7, 5.3.1, 5.4.36, 5.5.34, 7.0.4
string(8) "8.0E+300" Time: 2.1934509277344E-5
Output for 5.2.11, 5.3.18, 5.5.30, 5.6.10, 5.6.15, 5.6.19, 7.0.3
string(8) "8.0E+300" Time: 2.288818359375E-5
Output for 5.2.17, 5.3.3, 5.3.6, 5.3.11, 5.4.12, 5.4.32, 5.5.0, 5.5.21 - 5.5.22, 5.5.32, 5.5.35, 5.6.7, 5.6.11, 7.0.2
string(8) "8.0E+300" Time: 2.598762512207E-5
Output for 5.4.21 - 5.4.22, 5.4.34, 5.4.39, 5.6.18, 7.0.1
string(8) "8.0E+300" Time: 3.1948089599609E-5
Output for 5.2.3, 5.3.4, 5.5.3, 5.5.6, 5.5.11, 5.5.25, 5.5.33, 5.5.36, 5.6.2, 5.6.14, 5.6.28, 7.0.0
string(8) "8.0E+300" Time: 2.5033950805664E-5
Output for hhvm-3.12.0
string(8) "8.0E+300" Time: 4.3153762817383E-5
Output for hhvm-3.10.0
string(8) "8.0E+300" Time: 4.9829483032227E-5
Output for 5.4.11, 5.4.13, 5.4.23, 5.6.25
string(8) "8.0E+300" Time: 3.4093856811523E-5
Output for 5.2.15, 5.3.9, 5.3.12, 5.3.21, 5.4.29, 5.5.23 - 5.5.24, 5.6.20, 5.6.24
string(8) "8.0E+300" Time: 2.8133392333984E-5
Output for 5.4.24, 5.4.31, 5.5.18, 5.5.28, 5.5.31, 5.6.4, 5.6.6, 5.6.23
string(8) "8.0E+300" Time: 2.7894973754883E-5
Output for 5.3.2, 5.3.5, 5.3.22, 5.4.17, 5.5.9 - 5.5.10, 5.5.14, 5.5.29, 5.5.38, 5.6.3, 5.6.21
string(8) "8.0E+300" Time: 2.6941299438477E-5
Output for 5.4.45, 5.5.26, 5.6.1, 5.6.16
string(8) "8.0E+300" Time: 2.7179718017578E-5
Output for 5.6.13
string(8) "8.0E+300" Time: 2.4795532226562E-5
Output for 5.3.14, 5.6.12
string(8) "8.0E+300" Time: 2.0980834960938E-5
Output for 5.2.9, 5.3.13, 5.3.29 - 5.4.0, 5.5.4, 5.6.5
string(8) "8.0E+300" Time: 2.9087066650391E-5
Output for 5.6.0
string(8) "8.0E+300" Time: 4.6014785766602E-5
Output for 5.2.13, 5.5.19, 5.5.37
string(8) "8.0E+300" Time: 2.3841857910156E-5
Output for 5.3.7, 5.5.27
string(8) "8.0E+300" Time: 1.8835067749023E-5
Output for 5.3.15, 5.3.24, 5.4.1, 5.4.3, 5.4.14, 5.4.28, 5.4.40, 5.4.43 - 5.4.44, 5.5.20
string(8) "8.0E+300" Time: 3.0994415283203E-5
Output for 5.3.25, 5.3.27, 5.4.25, 5.5.16
string(8) "8.0E+300" Time: 2.8848648071289E-5
Output for 5.5.15
string(8) "8.0E+300" Time: 1.9073486328125E-5
Output for 5.2.4 - 5.2.5, 5.2.8, 5.2.14, 5.3.23, 5.3.26, 5.4.6, 5.4.8 - 5.4.10, 5.4.42, 5.5.1, 5.5.13
string(8) "8.0E+300" Time: 3.0040740966797E-5
Output for 5.4.15, 5.5.12
string(8) "8.0E+300" Time: 3.6954879760742E-5
Output for 5.2.10, 5.3.10, 5.3.17, 5.4.5, 5.4.26 - 5.4.27, 5.4.35, 5.5.7
string(8) "8.0E+300" Time: 3.2901763916016E-5
Output for 5.4.41
string(8) "8.0E+300" Time: 3.4809112548828E-5
Output for 5.4.20, 5.4.30, 5.4.38
string(8) "8.0E+300" Time: 3.504753112793E-5
Output for 5.4.37
string(8) "8.0E+300" Time: 4.3869018554688E-5
Output for 5.4.19
string(8) "8.0E+300" Time: 3.7908554077148E-5
Output for 5.4.18
string(8) "8.0E+300" Time: 4.5061111450195E-5
Output for 5.2.6, 5.4.16
string(8) "8.0E+300" Time: 3.6001205444336E-5
Output for 5.4.7
string(8) "8.0E+300" Time: 1.978874206543E-5
Output for 5.4.4
string(8) "8.0E+300" Time: 2.1219253540039E-5
Output for 5.3.16, 5.4.2
string(8) "8.0E+300" Time: 3.3855438232422E-5
Output for 5.3.20
string(8) "8.0E+300" Time: 3.9100646972656E-5
Output for 5.3.8
string(8) "8.0E+300" Time: 3.2186508178711E-5
Output for 5.2.12
string(8) "8.0E+300" Time: 5.0067901611328E-5
Output for 5.2.0 - 5.2.1
string(6) "8E+300" Time: 3.0040740966797E-05
Output for 5.1.6
string(6) "8E+300" Time: 2.9087066650391E-05
Output for 5.1.5
string(6) "8E+300" Time: 3.9100646972656E-05
Output for 5.1.4
string(6) "8E+300" Time: 3.1232833862305E-05
Output for 5.1.3
string(6) "8E+300" Time: 3.7193298339844E-05
Output for 5.1.2
string(6) "8E+300" Time: 2.7894973754883E-05
Output for 5.0.4, 5.1.0 - 5.1.1
string(6) "8E+300" Time: 3.6001205444336E-05
Output for 5.0.0, 5.0.5
string(6) "8E+300" Time: 3.0994415283203E-05
Output for 5.0.3
string(6) "8E+300" Time: 3.7908554077148E-05
Output for 5.0.2
string(6) "8E+300" Time: 2.0027160644531E-05
Output for 5.0.1
string(6) "8E+300" Time: 4.9114227294922E-05
Output for 4.4.0, 4.4.9
string(6) "8E+300" Time: 5.2E-05
Output for 4.4.8
string(6) "8E+300" Time: 5.3E-05
Output for 4.4.7
string(6) "8E+300" Time: 3.2E-05
Output for 4.4.6
string(6) "8E+300" Time: 6.9E-05
Output for 4.3.7, 4.4.5
string(6) "8E+300" Time: 5.4E-05
Output for 4.4.4
string(6) "8E+300" Time: 3.9E-05
Output for 4.4.3
string(6) "8E+300" Time: 3.8E-05
Output for 4.4.2
string(6) "8E+300" Time: 5.1E-05
Output for 4.3.6, 4.3.9, 4.4.1
string(6) "8E+300" Time: 4.7E-05
Output for 4.3.11
string(6) "8E+300" Time: 4E-05
Output for 4.3.10
string(6) "8E+300" Time: 6.2E-05
Output for 4.3.8
string(6) "8E+300" Time: 7E-05
Output for 4.3.5
string(6) "8E+300" Time: 4.6E-05
Output for 4.3.4
string(6) "8E+300" Time: 4.5E-05
Output for 4.3.3
string(6) "8E+300" Time: 7.7E-05
Output for 4.3.2
string(6) "8E+300" Time: 4.4E-05
Output for 4.3.1
string(6) "8E+300" Time: 3.4E-05
Output for 4.3.0
string(6) "8E+300" Time: 4.3E-05