php 报语法错误,php – 安装Composer时出现语法错误？

我试图使用这些中的每一个开始安装composer

sudo -u myuser curl -sS https://getcomposer.org/installer | PHP

sudo -u myuser curl -s https://getcomposer.org/installer | php – –check

但是两个都给了我

Warning: Unexpected character in input: '\' (ASCII=92) state=1 in - on line 381

Warning: Unexpected character in input: '\' (ASCII=92) state=1 in - on line 386

Warning: Unexpected character in input: '\' (ASCII=92) state=1 in - on line 402

Warning: Unexpected character in input: '\' (ASCII=92) state=1 in - on line 640

Warning: Unexpected character in input: '\' (ASCII=92) state=1 in - on line 688

Parse error: syntax error, unexpected T_SL in - on line 814

有人见过这个吗？

我正在运行Linux 3.1.9-vs2.3.2.5vs2.3.2.5和PHP 5.2.17(cli)