Variable handling 锟斤拷锟斤拷

Table of Contents

• boolval — 锟斤拷取锟斤拷锟斤拷锟侥诧拷锟斤拷值
• debug_zval_dump — Dumps a string representation of an internal zend value to output
• doubleval — floatval 锟侥憋拷锟斤拷
• empty — 锟斤拷锟揭伙拷锟斤拷锟斤拷锟斤拷欠锟轿拷锟�
• floatval — 锟斤拷取锟斤拷锟斤拷锟侥革拷锟斤拷值
• get_defined_vars — 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟窖讹拷锟斤拷锟斤拷锟斤拷锟斤拷锟缴碉拷锟斤拷锟斤拷
• get_resource_type — 锟斤拷锟斤拷锟斤拷源锟斤拷resource锟斤拷锟斤拷锟斤拷
• gettype — 锟斤拷取锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷
• import_request_variables — 锟斤拷 GET锟斤拷POST锟斤拷Cookie 锟斤拷锟斤拷锟斤拷锟诫到全锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷
• intval — 锟斤拷取锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷值
• is_array — 锟斤拷锟斤拷锟斤拷锟角凤拷锟斤拷锟斤拷锟斤拷
• is_bool — 锟斤拷锟斤拷锟斤拷锟角凤拷锟角诧拷锟斤拷锟斤拷
• is_callable — 锟斤拷锟斤拷锟斤拷锟角凤拷为锟较凤拷锟侥可碉拷锟矫结构
• is_countable — Verify that the contents of a variable is a countable value
• is_double — is_float 锟侥憋拷锟斤拷
• is_float — 锟斤拷锟斤拷锟斤拷锟角凤拷锟角革拷锟斤拷锟斤拷
• is_int — 锟斤拷锟斤拷锟斤拷锟角凤拷锟斤拷锟斤拷锟斤拷
• is_integer — is_int 锟侥憋拷锟斤拷
• is_iterable — Verify that the contents of a variable is an iterable value
• is_long — is_int 锟侥憋拷锟斤拷
• is_null — 锟斤拷锟斤拷锟斤拷锟角凤拷为 NULL
• is_numeric — 锟斤拷锟斤拷锟斤拷锟角凤拷为锟斤拷锟街伙拷锟斤拷锟斤拷锟街凤拷锟斤拷
• is_object — 锟斤拷锟斤拷锟斤拷锟角凤拷锟斤拷一锟斤拷锟斤拷锟斤拷
• is_real — is_float 锟侥憋拷锟斤拷
• is_resource — 锟斤拷锟斤拷锟斤拷锟角凤拷为锟斤拷源锟斤拷锟斤拷
• is_scalar — 锟斤拷锟斤拷锟斤拷锟角凤拷锟斤拷一锟斤拷锟斤拷锟斤拷
• is_string — 锟斤拷锟斤拷锟斤拷锟角凤拷锟斤拷锟街凤拷锟斤拷
• isset — 锟斤拷锟斤拷锟斤拷锟角凤拷锟斤拷锟斤拷锟矫诧拷锟揭凤拷 NULL
• print_r — 锟斤拷锟斤拷锟斤拷锟斤拷锟侥革拷式锟斤拷印锟斤拷锟斤拷锟斤拷
• serialize — 锟斤拷锟斤拷一锟斤拷锟缴存储锟斤拷值锟侥憋拷示
• settype — 锟斤拷锟矫憋拷锟斤拷锟斤拷锟斤拷锟斤拷
• strval — 锟斤拷取锟斤拷锟斤拷锟斤拷锟街凤拷锟斤拷值
• unserialize — 锟斤拷锟窖存储锟侥憋拷示锟叫达拷锟斤拷 PHP 锟斤拷值
• unset — 锟酵放革拷锟斤拷锟侥憋拷锟斤拷
• var_dump — 锟斤拷印锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟较�
• var_export — 锟斤拷锟斤拷蚍祷锟揭伙拷锟斤拷锟斤拷锟斤拷锟斤拷址锟斤拷锟斤拷锟绞�