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unicode_set_error_mode

Set the error mode for strings conversions ()
bool unicode_set_error_mode ( int direction, int mode )

This function sets the error mode for string conversions between different encodings. An error can occur during conversion when an illegal character is encountered or if a character cannot be represented into the new encoding. By default, when an error is encountered, the conversion stops.

Parameters

direction

The direction sets the conversion direction to which the error mode will apply. This can either be FROM_UNICODE, which will set the error mode for conversions from a unicode string to a binary string or TO_UNICODE, which will set the error mode for conversions from a binary string to a unicode string.

mode

mode determines how the conversion errors are handled. It should be one of the following constants:

Table 327. Available modes

ModeDescription
U_CONV_ERROR_STOP Stop the conversion. This is the default mode.
U_CONV_ERROR_SKIP Skip the character.
U_CONV_ERROR_SUBST Substitute the character. The substituting character can be set with unicode_set_subst_char().
U_CONV_ERROR_ESCAPE_UNICODE Escape the faulty bytes and represent them in the Unicode character format.
U_CONV_ERROR_ESCAPE_ICU Escape the faulty bytes and represent them in the ICU character format.
U_CONV_ERROR_ESCAPE_JAVA Escape the faulty bytes and print them in the Java character format.
U_CONV_ERROR_ESCAPE_XML_DEC Escape the faulty bytes and represent them in decimal format.
U_CONV_ERROR_ESCAPE_XML_HEX Escape the faulty bytes and represent them in hexadecimal format.


Return Values

Returns TRUE on success or FALSE on failure.

Errors/Exceptions

Emits a E_WARNING level error if the direction or the mode are invalid.

Notes

Warning:

This function is EXPERIMENTAL. The behaviour of this function, the name of this function, and anything else documented about this function may change without notice in a future release of PHP. Use this function at your own risk.