PHP substr_compare() Function

In this chapter you will learn:

1. Definition for PHP substr_compare() Function
2. Syntax for PHP substr_compare() Function
3. Parameter for PHP substr_compare() Function
4. Return for PHP substr_compare() Function
5. Example - Compare two strings
6. Example - Compare two strings, when start position in string1 for the comparison is 6th

Definition

The substr_compare() function compares two strings from a specified start position.

Syntax

PHP substr_compare() Function has the following syntax.

Parameter

Return

This function returns:

• 0 - if the two strings are equal
• <0 - if string1 (from startpos) is less than string2
• >0 - if string1 (from startpos) is greater than string2

If length is equal or greater than length of string1, this function returns FALSE.

Example 1

<?php
echo substr_compare("Hello world","Hello world",0);
?>

The code above generates the following result.

Example 2

Compare two strings, when start position in string1 for the comparison is 6th:

<?php
echo substr_compare("Hello world","world",6);
?>

The code above generates the following result.

Next chapter...

What you will learn in the next chapter:

1. Definition for PHP substr_count() Function
2. Syntax for PHP substr_count() Function
3. Parameter for PHP substr_count() Function
4. Return for PHP substr_count() Function
5. Example - Count the number of times "world" occurs in the string
6. Example - Using all parameters
7. Example - Overlapped substrings
8. Example - If the start and length parameters exceeds the string length, substr_count will output a warning

PHP addcslashes() Function

PHP addslashes() Function

PHP bin2hex() Function

PHP chop() Function

PHP chr() Function

PHP chunk_split() Function

PHP convert_cyr_string() Function

PHP convert_uudecode() Function

PHP convert_uuencode() Function

PHP count_chars() Function

PHP crc32() Function

PHP crypt() Function

PHP echo() Function

PHP get_html_translation_table() Function

PHP hebrev() Function

PHP hebrevc() Function

PHP hex2bin() Function

PHP html_entities() Function

PHP html_entity_decode() Function

PHP htmlspecialchars() Function

PHP htmlspecialchars_decode() Function

PHP join() Function

PHP lcfirst() Function

PHP levenshtein() Function

PHP localeconv() Function

PHP ltrim() Function

PHP md5() Function

PHP metaphone() Function

PHP money_format() Function

PHP nl2br() Function

PHP nl_langinfo() Function

PHP number_format() Function

PHP ord() Function

PHP parse_str() Function

PHP print() Function

PHP print_r() Function

PHP printf() Function

PHP quoted_printable_decode() Function

PHP quoted_printable_encode() Function

PHP quotemeta() Function

PHP rawurldecode() Function

PHP rawurlencode() Function

PHP rtrim() Function

PHP setlocale() Function

PHP sha1() Function

PHP similar_text() Function

PHP soundex() Function

PHP sprintf() Function

PHP sscanf() Function

PHP str_getcsv() Function

PHP str_ireplace() Function

PHP str_pad() Function

PHP str_repeat() Function

PHP str_replace() Function

PHP str_rot13() Function

PHP str_shuffle() Function

PHP str_split() Function

PHP str_word_count() Function

PHP strcasecmp() Function

PHP strchr() Function

PHP strcmp() Function

PHP strcoll() Function

PHP strcspn() Function

PHP strip_tags() Function

PHP stripcslashes() Function

PHP stripslashes() Function

PHP stristr() Function

PHP strlen() Function

PHP strnatcasecmp() Function

PHP strnatcmp() Function

PHP strncasecmp() Function

PHP strncmp() Function

PHP strpbrk() Function

PHP strpos() Function

PHP strrchr() Function

PHP strrev() Function

PHP strripos() Function

PHP strrpos() Function

PHP strspn() Function

PHP strstr() Function

PHP strtok() Function

PHP strtolower() Function

PHP strtoupper() Function

PHP strtr() Function

PHP substr() Function

PHP substr_compare() Function

PHP substr_count() Function

PHP substr_replace() Function

PHP trim() Function

PHP ucfirst() Function

PHP ucwords() Function

PHP utf8_decode() Function

PHP utf8_encode() Function

PHP vprintf() Function

PHP vsprintf() Function

PHP wordwrap() Function