3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function microtime_float() { list($usec, $sec) = explode(" ", microtime()); return ((float)$usec + (float)$sec); } $time_start = microtime_float(); var_dump($time); $time_end = microtime_float(); $time = $time_end - $time_start; echo "Did nothing in $time seconds\n";
Output for 5.5.22, 5.5.32, 5.6.9, 7.0.0, 7.1.0
Notice: Undefined variable: time in /in/ldHcB on line 12 NULL Did nothing in 3.0994415283203E-5 seconds
Output for 7.0.14
Notice: Undefined variable: time in /in/ldHcB on line 12 NULL Did nothing in 3.2186508178711E-5 seconds
Output for 7.0.12
Notice: Undefined variable: time in /in/ldHcB on line 12 NULL Did nothing in 2.3841857910156E-5 seconds
Output for 5.5.2, 5.6.1, 7.0.6
Notice: Undefined variable: time in /in/ldHcB on line 12 NULL Did nothing in 2.7894973754883E-5 seconds
Output for 5.5.34, 7.0.5
Notice: Undefined variable: time in /in/ldHcB on line 12 NULL Did nothing in 3.3140182495117E-5 seconds
Output for 5.5.4, 5.5.6, 5.6.8, 7.0.4
Notice: Undefined variable: time in /in/ldHcB on line 12 NULL Did nothing in 3.1948089599609E-5 seconds
Output for 7.0.3
Notice: Undefined variable: time in /in/ldHcB on line 12 NULL Did nothing in 4.2200088500977E-5 seconds
Output for 5.5.7, 5.5.13, 5.5.31, 5.6.3, 5.6.10, 5.6.16, 5.6.18, 7.0.1 - 7.0.2
Notice: Undefined variable: time in /in/ldHcB on line 12 NULL Did nothing in 3.2901763916016E-5 seconds
Output for hhvm-3.12.0
Notice: Undefined variable: time in /in/ldHcB on line 12 NULL Did nothing in 0.00011610984802246 seconds
Output for hhvm-3.10.0
Notice: Undefined variable: time in /in/ldHcB on line 12 NULL Did nothing in 0.0001068115234375 seconds
Output for 5.5.3, 5.5.12, 5.5.18, 5.5.21, 5.5.26, 5.6.6, 5.6.11, 5.6.28
Notice: Undefined variable: time in /in/ldHcB on line 12 NULL Did nothing in 3.6001205444336E-5 seconds
Output for 5.6.21
Notice: Undefined variable: time in /in/ldHcB on line 12 NULL Did nothing in 3.4809112548828E-5 seconds
Output for 5.6.20
Notice: Undefined variable: time in /in/ldHcB on line 12 NULL Did nothing in 2.4795532226562E-5 seconds
Output for 5.5.1, 5.5.8, 5.5.24, 5.5.27, 5.6.5, 5.6.7, 5.6.19
Notice: Undefined variable: time in /in/ldHcB on line 12 NULL Did nothing in 3.504753112793E-5 seconds
Output for 5.6.17
Notice: Undefined variable: time in /in/ldHcB on line 12 NULL Did nothing in 3.8862228393555E-5 seconds
Output for 5.5.33, 5.6.15
Notice: Undefined variable: time in /in/ldHcB on line 12 NULL Did nothing in 3.7193298339844E-5 seconds
Output for 5.5.14, 5.5.19, 5.6.14
Notice: Undefined variable: time in /in/ldHcB on line 12 NULL Did nothing in 3.9100646972656E-5 seconds
Output for 5.5.16, 5.6.4, 5.6.12 - 5.6.13
Notice: Undefined variable: time in /in/ldHcB on line 12 NULL Did nothing in 3.814697265625E-5 seconds
Output for 5.5.30, 5.6.2
Notice: Undefined variable: time in /in/ldHcB on line 12 NULL Did nothing in 3.6954879760742E-5 seconds
Output for 5.6.0
Notice: Undefined variable: time in /in/ldHcB on line 12 NULL Did nothing in 2.598762512207E-5 seconds
Output for 5.5.35
Notice: Undefined variable: time in /in/ldHcB on line 12 NULL Did nothing in 3.0040740966797E-5 seconds
Output for 5.5.29
Notice: Undefined variable: time in /in/ldHcB on line 12 NULL Did nothing in 3.3855438232422E-5 seconds
Output for 5.5.5, 5.5.20, 5.5.28
Notice: Undefined variable: time in /in/ldHcB on line 12 NULL Did nothing in 2.9087066650391E-5 seconds
Output for 5.5.25
Notice: Undefined variable: time in /in/ldHcB on line 12 NULL Did nothing in 4.1961669921875E-5 seconds
Output for 5.5.15, 5.5.23
Notice: Undefined variable: time in /in/ldHcB on line 12 NULL Did nothing in 3.4093856811523E-5 seconds
Output for 5.5.11
Notice: Undefined variable: time in /in/ldHcB on line 12 NULL Did nothing in 4.1007995605469E-5 seconds
Output for 5.5.10
Notice: Undefined variable: time in /in/ldHcB on line 12 NULL Did nothing in 2.8848648071289E-5 seconds
Output for 5.5.9
Notice: Undefined variable: time in /in/ldHcB on line 12 NULL Did nothing in 2.6941299438477E-5 seconds
Output for 5.5.0
Notice: Undefined variable: time in /in/ldHcB on line 12 NULL Did nothing in 2.7179718017578E-5 seconds
Output for 5.2.13, 5.3.1, 5.3.5, 5.3.7, 5.3.12, 5.4.6 - 5.4.7, 5.4.24, 5.4.28, 5.4.34, 5.4.40 - 5.4.41, 5.4.45
NULL Did nothing in 3.6001205444336E-5 seconds
Output for 5.4.44
NULL Did nothing in 4.6014785766602E-5 seconds
Output for 5.2.12, 5.2.15, 5.3.0, 5.3.13, 5.4.43
NULL Did nothing in 2.598762512207E-5 seconds
Output for 5.4.18, 5.4.37, 5.4.42
NULL Did nothing in 3.4809112548828E-5 seconds
Output for 5.2.7, 5.2.17, 5.3.2, 5.4.9, 5.4.17, 5.4.39
NULL Did nothing in 3.0994415283203E-5 seconds
Output for 5.2.10, 5.4.0, 5.4.26, 5.4.31, 5.4.38
NULL Did nothing in 3.6954879760742E-5 seconds
Output for 5.2.8, 5.2.16, 5.3.20, 5.3.24, 5.3.26, 5.3.28, 5.4.30, 5.4.32, 5.4.36
NULL Did nothing in 3.504753112793E-5 seconds
Output for 5.4.5, 5.4.21, 5.4.35
NULL Did nothing in 3.814697265625E-5 seconds
Output for 5.3.15, 5.3.21, 5.4.29
NULL Did nothing in 2.8133392333984E-5 seconds
Output for 5.2.2, 5.4.11, 5.4.23, 5.4.27
NULL Did nothing in 3.3855438232422E-5 seconds
Output for 5.3.4, 5.4.2, 5.4.15, 5.4.25
NULL Did nothing in 3.1948089599609E-5 seconds
Output for 5.2.5, 5.3.16, 5.4.22
NULL Did nothing in 2.9087066650391E-5 seconds
Output for 5.2.9, 5.3.17, 5.4.4, 5.4.20
NULL Did nothing in 3.7908554077148E-5 seconds
Output for 5.3.25, 5.4.10, 5.4.19
NULL Did nothing in 3.0040740966797E-5 seconds
Output for 5.2.6, 5.3.3, 5.3.9, 5.3.22, 5.4.16
NULL Did nothing in 3.3140182495117E-5 seconds
Output for 5.3.14, 5.4.14
NULL Did nothing in 2.6941299438477E-5 seconds
Output for 5.2.3, 5.3.8, 5.3.11, 5.3.29, 5.4.13
NULL Did nothing in 3.2901763916016E-5 seconds
Output for 5.3.10, 5.4.12
NULL Did nothing in 4.0054321289062E-5 seconds
Output for 5.4.8
NULL Did nothing in 3.7193298339844E-5 seconds
Output for 5.3.27, 5.4.3
NULL Did nothing in 2.5033950805664E-5 seconds
Output for 5.2.4, 5.2.14, 5.3.6, 5.3.19, 5.4.1
NULL Did nothing in 3.4093856811523E-5 seconds
Output for 5.3.23
NULL Did nothing in 3.8862228393555E-5 seconds
Output for 5.3.18
NULL Did nothing in 2.7179718017578E-5 seconds
Output for 5.2.11
NULL Did nothing in 2.8848648071289E-5 seconds
Output for 5.2.1
NULL Did nothing in 2.8848648071289E-05 seconds
Output for 4.3.4, 4.4.0, 5.1.1, 5.2.0
NULL Did nothing in 3.0994415283203E-05 seconds
Output for 5.1.6
NULL Did nothing in 4.2200088500977E-05 seconds
Output for 5.1.5
NULL Did nothing in 2.7894973754883E-05 seconds
Output for 5.1.4
NULL Did nothing in 2.8133392333984E-05 seconds
Output for 4.3.5, 5.0.0, 5.1.3
NULL Did nothing in 3.8862228393555E-05 seconds
Output for 5.1.2
NULL Did nothing in 2.5033950805664E-05 seconds
Output for 4.4.2, 4.4.7, 5.1.0
NULL Did nothing in 3.3855438232422E-05 seconds
Output for 5.0.5
NULL Did nothing in 3.4093856811523E-05 seconds
Output for 5.0.1 - 5.0.2, 5.0.4
NULL Did nothing in 4.1007995605469E-05 seconds
Output for 5.0.3
NULL Did nothing in 2.6941299438477E-05 seconds
Output for 4.4.3 - 4.4.4, 4.4.9
NULL Did nothing in 2.0027160644531E-05 seconds
Output for 4.4.8
NULL Did nothing in 3.4809112548828E-05 seconds
Output for 4.4.6
NULL Did nothing in 2.7179718017578E-05 seconds
Output for 4.4.5
NULL Did nothing in 3.2186508178711E-05 seconds
Output for 4.4.1
NULL Did nothing in 2.288818359375E-05 seconds
Output for 4.3.11
NULL Did nothing in 1.9073486328125E-05 seconds
Output for 4.3.7, 4.3.10
NULL Did nothing in 4.2915344238281E-05 seconds
Output for 4.3.9
NULL Did nothing in 3.7908554077148E-05 seconds
Output for 4.3.8
NULL Did nothing in 3.0040740966797E-05 seconds
Output for 4.3.6
NULL Did nothing in 3.9815902709961E-05 seconds
Output for 4.3.3
NULL Did nothing in 3.6954879760742E-05 seconds
Output for 4.3.2
NULL Did nothing in 3.6001205444336E-05 seconds
Output for 4.3.1
NULL Did nothing in 4.1961669921875E-05 seconds
Output for 4.3.0
NULL Did nothing in 4.0054321289062E-05 seconds