有關(guān)mysql_result的25篇課程推薦
發(fā)表時(shí)間:2023-08-26 來源:明輝站整理相關(guān)軟件相關(guān)文章人氣:
[摘要]PHP的mysql_result()函數(shù)定義和用法mysql_result() 函數(shù)返回結(jié)果集中一個(gè)字段的值。如果成功,則該函數(shù)返回字段值。如果失敗,則返回 false。語法mysql_result(data,row,field)參數(shù) 描述data 必需。規(guī)定要使用的結(jié)果標(biāo)識符。該標(biāo)識符是 m...
PHP的mysql_result()函數(shù)
定義和用法
mysql_result() 函數(shù)返回結(jié)果集中一個(gè)字段的值。
如果成功,則該函數(shù)返回字段值。如果失敗,則返回 false。
語法
mysql_result(data,row,field)
參數(shù) 描述
data 必需。規(guī)定要使用的結(jié)果標(biāo)識符。該標(biāo)識符是 mysql_query() 函數(shù)返回的。
row 必需。規(guī)定行號。行號從 0 開始。
field 可選。規(guī)定獲取哪個(gè)字段。可以是字段偏移值,字段名或 table.fieldname。
如果該參數(shù)未規(guī)定,則該函數(shù)從指定的行獲取第一個(gè)字段。
說明
當(dāng)作用于很大的結(jié)果集時(shí),應(yīng)該考慮使用能夠取得整行的函數(shù)。這些函數(shù)在一次函數(shù)調(diào)用中返回了多個(gè)單元的內(nèi)容,比 mysql_re
1. 關(guān)于mysql_result()的10篇文章推薦
簡介:PHP的mysql_result()函數(shù)定義和用法mysql_result() 函數(shù)返回結(jié)果集中一個(gè)字段的值。如果成功,則該函數(shù)返回字段值。如果失敗,則返回 false。語法mysql_result(data,row,field)參數(shù) 描述data 必需。規(guī)定要使用的結(jié)果標(biāo)識符。該標(biāo)識符是 mysql_query() 函數(shù)返回的。row 必需。規(guī)定行號。行號從 ...
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【相關(guān)問答推薦】:
php - mysql_result() 有替代方法嗎
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