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Introduction
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Installed as CGI binary
Installed as an Apache module
Session Security
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Affecting PHP's Behaviour
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PHP Function List
mb_substr()`
doesn't exist. Closest matches:
mb_substr
mb_strstr
mb_substr_count
substr
mb_stristr
mb_scrub
grapheme_substr
iconv_substr
mb_parse_str
mb_strcut
mb_strlen
mb_strpos
mb_strrpos
mb_strrchr
mb_stripos
mb_str_pad
imap_subscribe
gmp_sub
mb_strripos
mb_strrichr
mb_strwidth
mb_substitute_character
mb_str_split
mb_split
imap_unsubscribe
substr_count
ob_start
mb_strimwidth
mb_strtoupper
mb_strtolower
