PHP using the Imagettftext () function of the GD library to create a picture failure?

I want to based on the input text, generate a specific font of the picture, according to Php.net on the sample, and can not generate the correct picture, what should I do?

Picture in the sample:

My Pictures:

Code:

I use the LNMP one-click Package environment, compiled with--with-free-type-dir,

'./configure' '--prefix=/usr/local/php' '--with-config-file-path=/usr/local/php/etc' '--enable-fpm' '--with-fpm-user=www' '--with-fpm-group=www' '--with-mysql=mysqlnd' '--with-mysqli=mysqlnd' '--with-pdo-mysql=mysqlnd' '--with-iconv-dir' '--with-freetype-dir=/usr/local/freetype' '--with-jpeg-dir' '--with-png-dir' '--with-zlib' '--with-libxml-dir=/usr' '--enable-xml' '--disable-rpath' '--enable-bcmath' '--enable-shmop' '--enable-sysvsem' '--enable-inline-optimization' '--with-curl' '--enable-mbregex' '--enable-mbstring' '--with-mcrypt' '--enable-ftp' '--with-gd' '--enable-gd-native-ttf' '--with-openssl' '--with-mhash' '--enable-pcntl' '--enable-sockets' '--with-xmlrpc' '--enable-zip' '--enable-soap' '--with-gettext' '--disable-fileinfo' '--enable-intl' '--with-xsl'

In addition, free type is supported:

Update:
After I changed to use Simhei.ttf (in bold) font can be displayed normally, why ...

Reply content:

I want to based on the input text, generate a specific font of the picture, according to Php.net on the sample, and can not generate the correct picture, what should I do?

Picture in the sample:

My Pictures:

Code:

I use the LNMP one-click Package environment, compiled with--with-free-type-dir,

'./configure' '--prefix=/usr/local/php' '--with-config-file-path=/usr/local/php/etc' '--enable-fpm' '--with-fpm-user=www' '--with-fpm-group=www' '--with-mysql=mysqlnd' '--with-mysqli=mysqlnd' '--with-pdo-mysql=mysqlnd' '--with-iconv-dir' '--with-freetype-dir=/usr/local/freetype' '--with-jpeg-dir' '--with-png-dir' '--with-zlib' '--with-libxml-dir=/usr' '--enable-xml' '--disable-rpath' '--enable-bcmath' '--enable-shmop' '--enable-sysvsem' '--enable-inline-optimization' '--with-curl' '--enable-mbregex' '--enable-mbstring' '--with-mcrypt' '--enable-ftp' '--with-gd' '--enable-gd-native-ttf' '--with-openssl' '--with-mhash' '--enable-pcntl' '--enable-sockets' '--with-xmlrpc' '--enable-zip' '--enable-soap' '--with-gettext' '--disable-fileinfo' '--enable-intl' '--with-xsl'

In addition, free type is supported:

Update:
After I changed to use Simhei.ttf (in bold) font can be displayed normally, why ...

Imagettftext supports TrueType-type fonts, and Imagepstext supports PostScript Type1 fonts. So you need to find the corresponding font before it takes effect.

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