Python has the great: if sub-string in string, like this:
if "fox" in "The quick brown fox jumps over the lazy dog":
print True
Does does PHP have something equivalent to this?
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4 Answers
if(stripos("The quick brown fox jumps over the lazy dog","fox")!==false)
{ echo 'True'; }
stripos and strpos return the position at which the match started, so you need to use strict comparison (=== or !==) to avoid a false negative when the needle is at pos. 0 in the haystack.
You may prefer stristr, which just returns the matched string or boolean false.
in_array works about the same as in does in Python for lists and dictionaries, if you are also thinking beyond strings.
1 Comment
imns
Thanks for the note about the strict comparison
There's three that I can think of: substr, strpos, and strstr. Each of those are case sensitive, and there are also case insensitive versions of those functions as well. PHP has a ridiculous number of string handling commands, so really just peruse the string section of the manual until you see the one you want.
Comments
There's a few ways. One is:
if(stristr('fox','The quick brown fox jumps over the lazy dog') !== FALSE){
...code
}
http://php.net/manual/en/function.stristr.php
stripos and others may be more efficient. See PHP String Functions
1 Comment
RobertPitt
its
===|!== for type comparison its ==|!= for value comparison, and = to assign