containsAll
Returns true if the string contains all $needles, false otherwise.
Description
bool containsAll(array $needles, bool $caseSensitive = 1)
By default the comparison is case-sensitive, but can be made insensitive by setting $caseSensitive to false.
Parameters
- 
array $needles
SubStrings to look for. - bool $caseSensitive
Whether or not to enforce case-sensitivity. 
Return Value
bool
Whether or not $str contains $needle.