通达OA公共代码 php常用检测函数

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check_type.php(使用类型检验函数）
复制代码 代码如下:
<?php
/*********************/
/* */
/* Version : 5.1.0 */
/* Author : RM */
/* Comment : 071223 */
/* */
/*********************/
function is_number( $str )
{
if ( substr( $str, 0, 1 ) == "-" )
{
$str = substr( $str, 1 );
}
$length = strlen( $str );
$i = 0;
for ( ; $i < $length; ++$i )
{
$ascii_value = ord( substr( $str, $i, 1 ) );
if ( 48 <= $ascii_value && $ascii_value <= 57 )
{
continue;
}
return FALSE;
}
if ( $str != "0" )
{
$str = intval( $str );
if ( $str == 0 )
{
return FALSE;
}
}
return TRUE;
}
function is_decimal( $str )
{
if ( substr( $str, 0, 1 ) == "-" )
{
$str = substr( $str, 1 );
}
$length = strlen( $str );
$i = 0;
for ( ; $i < $length; ++$i )
{
$ascii_value = ord( substr( $str, $i, 1 ) );
if ( 0 < $i && $ascii_value == 46 || 48 <= $ascii_value && $ascii_value <= 57 )
{
continue;
}
return FALSE;
}
return TRUE;
}
function is_money( $str )
{
$dot_pos = strpos( $str, "." );
if ( !$dot_pos )
{
return FALSE;
}
$str1 = substr( $str, 0, $dot_pos );
if ( 14 < strlen( $str1 ) )
{
return FALSE;
}
if ( !is_number( $str1 ) )
{
return FALSE;
}
$str2 = substr( $str, $dot_pos + 1, strlen( $str ) - $dot_pos );
if ( strlen( $str2 ) != 2 )
{
return FALSE;
}
if ( !is_number( $str2 ) )
{
return FALSE;
}
return TRUE;
}
function is_money_len( $str, $int_len, $dot_len )
{
$dot_pos = strpos( $str, "." );
if ( !$dot_pos )
{
return FALSE;
}
$str1 = substr( $str, 0, $dot_pos );
if ( $int_len < strlen( $str1 ) )
{
return FALSE;
}
if ( !is_number( $str1 ) )
{
return FALSE;
}
$str2 = substr( $str, $dot_pos + 1, strlen( $str ) - $dot_pos );
if ( strlen( $str2 ) != $dot_len )
{
return FALSE;
}
if ( !is_number( $str2 ) )
{
return FALSE;
}
return TRUE;
}
function is_date( $str )
{
$YEAR = "";
$MONTH = "";
$DAY = "";
$len = strlen( $str );
$offset = 0;
$i = strpos( $str, "-", $offset );
$YEAR = substr( $str, $offset, $i - $offset );
$offset = $i + 1;
if ( $len < $offset )
{
return FALSE;
}
if ( $i )
{
$i = strpos( $str, "-", $offset );
$MONTH = substr( $str, $offset, $i - $offset );
$offset = $i + 1;
if ( $len < $offset )
{
return FALSE;
}
if ( $i )
{
$DAY = substr( $str, $offset, $len - $offset );
}
}
if ( $YEAR == "" || $MONTH == "" || $DAY == "" )
{
return FALSE;
}
if ( !checkdate( intval( $MONTH ), intval( $DAY ), intval( $YEAR ) ) )
{
return FALSE;
}
return TRUE;
}
function is_time( $str )
{
$TEMP = "";
$HOUR = "";
$MIN = "";
$SEC = "";
$TEMP = strtok( $str, ":" );
$HOUR = $TEMP;
if ( $HOUR == "" || 24 <= $HOUR || $HOUR < 0 || !is_number( $HOUR ) )
{
return FALSE;
}
$TEMP = strtok( ":" );
$MIN = $TEMP;
if ( $MIN == "" || 60 <= $MIN || $MIN < 0 || !is_number( $MIN ) )
{
return FALSE;
}
$TEMP = strtok( ":" );
$SEC = $TEMP;
if ( $SEC == "" || 60 <= $SEC || $SEC < 0 || !is_number( $SEC ) )
{
return FALSE;
}
return TRUE;
}
function is_date_time( $DATE_TIME_STR )
{
if ( $DATE_TIME_STR == NULL || strlen( $DATE_TIME_STR ) == 0 )
{
return FALSE;
}
$DATE_TIME_ARRY = e