PHP - String Functions
Which PHP function compares two strings in a case-sensitive manner and returns an integer less than, equal to, or greater than zero?
Which PHP function compares two strings in a case-sensitive manner and returns an integer less than, equal to, or greater than zero?
easy📝 Conceptual Q1 of 15
Step-by-Step Solution
Solution:
Step 1: Understand the function purpose
strcmp() compares two strings exactly, considering case differences.Step 2: Compare with other functions
strcasecmp() ignores case, strncasecmp() compares part of strings ignoring case, substr_compare() compares substrings.Final Answer:
strcmp() -> Option AQuick Check:
Case-sensitive string comparison = strcmp() [OK]
Quick Trick: Use strcmp() for case-sensitive string comparison [OK]
Common Mistakes:
- Confusing strcmp() with strcasecmp()
- Using strncasecmp() for full string comparison
- Assuming substr_compare() compares full strings
Master "String Functions" in PHP
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