(PHP ActiveX) Unicode Escape

Convert a string to Unicode escaped values.

Note: The Unicode escape functionality was added in Chilkat v9.5.0.90.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows Note: The php_com_dotnet.dll may need to be enabled inside of php.ini.

<?php

// For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.StringBuilder')
$sb = new COM("Chilkat.StringBuilder");

$str = 'bôn';
$charset = 'not_used';

// Unicode escape all chars using \uHHHH
$success = $sb->SetString($str);
$sb->Encode('unicode-escape-all',$charset);
print $sb->getAsString() . "\n";
// Output is \u0062\u00f4\u006e

// Unicode escape only 8bit chars using \uHHHH
$success = $sb->SetString($str);
$sb->Encode('unicode-escape-8bit',$charset);
print $sb->getAsString() . "\n";
// Output is b\u00f4n

// To use uppercase hex chars (A-F), add "-upper" to the encoding name
$success = $sb->SetString($str);
$sb->Encode('unicode-escape-all-upper',$charset);
print $sb->getAsString() . "\n";
// Output is \u0062\u00F4\u006E

// Unicode escape all chars using \u{HHHH}
$success = $sb->SetString($str);
$sb->Encode('unicode-escape-all-curly-upper',$charset);
print $sb->getAsString() . "\n";
// Output is \u{0062}\u{00F4}\u{006E}

// Unicode escape 8bit chars using HTML hex &#xH;
$success = $sb->SetString($str);
$sb->Encode('unicode-escape-8bit-html-hex',$charset);
print $sb->getAsString() . "\n";
// Output is b&#xf4;n

// Unicode escape all chars using HTML decimal &#D;
$success = $sb->SetString($str);
$sb->Encode('unicode-escape-all-html-dec',$charset);
print $sb->getAsString() . "\n";
// Output is &#98;&#244;&#110;

// Unicode escape all chars using u+HHHH
$success = $sb->SetString($str);
$sb->Encode('unicode-escape-all-plus',$charset);
print $sb->getAsString() . "\n";
// Output is u+0062u+00f4u+006e

// Unicode escape 8bit chars using angled brackets <HHHH>
$success = $sb->SetString($str);
$sb->Encode('unicode-escape-8bit-angle-upper',$charset);
print $sb->getAsString() . "\n";
// Output is b<00F4>n

?>