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run code in 300+ PHP versions simultaneously
<?php class Bitfinex { private $api_key; private $api_secret; private $api_version; private $base_url = 'https://192.230.80.104'; public function __construct($api_key, $api_secret, $api_version = 'v1') { $this->api_key = $api_key; $this->api_secret = $api_secret; $this->api_version = $api_version; } public function get_balances() { $request = '/' . $this->api_version . '/balances'; echo $request; $data = array( 'request' => $request, 'options' => array() ); return $this->send_signed_request($data); } private function prepare_header($data) { $data['nonce'] = 144800329405116; //(string) number_format(round(microtime(true) * 100000),0,'.',''); echo $data; echo '<br/>'; echo "Json encode"; echo '<br/>'; echo json_encode($data); echo '<br/>'; $payload = base64_encode(json_encode($data)); $signature = hash_hmac('sha384', $payload, $this->api_secret); echo "payload "; echo $payload; echo " sig "; echo $signature; echo " "; return array( 'X-BFX-APIKEY: ' . $this->api_key, 'X-BFX-PAYLOAD: ' . $payload, 'X-BFX-SIGNATURE: ' . $signature ); } private function send_signed_request($data) { $ch = curl_init(); $url = $this->base_url . $data['request']; // echo $url; $headers = $this->prepare_header($data); curl_setopt_array($ch, array( CURLOPT_URL => $url, CURLOPT_POST => true, CURLOPT_RETURNTRANSFER => true, CURLOPT_HTTPHEADER => $headers, CURLOPT_SSL_VERIFYPEER => false, CURLOPT_POSTFIELDS => "" )); $information = curl_getinfo($ch); echo $information; // echo $result; if( !$result = curl_exec($ch) ) { echo "Error"; echo curl_error($ch); trigger_error(curl_error($ch)); echo "NO <br/>"; echo $result; return false; } else { echo "YES <br/>"; return json_decode($result, true); } } } $la = new Bitfinex('85FOKLshSVnZxRLtCoTFw2qHDIQf5TCEOWj9nk6CRBQ', 'E8AeyGATKUFmWLSWLGSYznRFmaoboxgGPzmRzgn0G8x', 'v1'); $drek = $la->get_balances(); //$information = curl_getinfo($curl_exect); echo '<br/>'; echo 'Recived data'; echo $drek; ?>

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.70.0130.00718.57
8.3.60.0000.01516.63
8.3.50.0080.01222.05
8.3.40.0120.00318.80
8.3.30.0000.01418.79
8.3.20.0050.00320.38
8.3.10.0000.00723.67
8.3.00.0090.00019.50
8.2.180.0040.01216.88
8.2.170.0120.00322.96
8.2.160.0060.00920.57
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0060.00317.75
8.2.120.0000.00826.35
8.2.110.0120.00022.25
8.2.100.0080.00418.16
8.2.90.0000.00819.22
8.2.80.0030.00517.97
8.2.70.0040.00417.75
8.2.60.0000.00817.93
8.2.50.0060.00318.07
8.2.40.0040.00419.53
8.2.30.0000.00820.56
8.2.20.0070.00417.89
8.2.10.0050.00218.17
8.2.00.0040.00418.02
8.1.280.0030.01425.92
8.1.270.0070.00323.90
8.1.260.0030.00628.09
8.1.250.0040.00428.09
8.1.240.0090.00022.61
8.1.230.0040.00817.66
8.1.220.0050.00317.74
8.1.210.0000.00918.77
8.1.200.0030.00717.60
8.1.190.0080.00017.82
8.1.180.0000.00818.10
8.1.170.0040.00418.68
8.1.160.0000.00722.05
8.1.150.0040.00418.94
8.1.140.0040.00419.68
8.1.130.0000.00717.77
8.1.120.0040.00417.55
8.1.110.0040.00417.44
8.1.100.0040.00417.48
8.1.90.0040.00417.40
8.1.80.0070.00017.49
8.1.70.0030.00317.51
8.1.60.0040.00417.61
8.1.50.0000.00817.54
8.1.40.0040.00417.56
8.1.30.0040.00417.67
8.1.20.0050.00317.54
8.1.10.0080.00017.63
8.1.00.0040.00417.45
8.0.300.0050.00218.77
8.0.290.0040.00416.75
8.0.280.0040.00418.55
8.0.270.0000.00717.21
8.0.260.0000.00717.32
8.0.250.0000.00716.96
8.0.240.0000.00816.95
8.0.230.0030.00317.12
8.0.220.0000.00816.98
8.0.210.0000.00717.06
8.0.200.0030.00617.11
8.0.190.0040.00417.12
8.0.180.0050.00216.92
8.0.170.0040.00417.11
8.0.160.0000.00717.02
8.0.150.0040.00416.88
8.0.140.0000.00717.05
8.0.130.0060.00013.41
8.0.120.0030.00616.89
8.0.110.0040.00416.88
8.0.100.0040.00416.79
8.0.90.0050.00216.91
8.0.80.0030.01316.96
8.0.70.0040.00416.90
8.0.60.0040.00416.99
8.0.50.0040.00416.99
8.0.30.0110.00817.16
8.0.20.0100.00917.42
8.0.10.0030.00516.87
8.0.00.0100.00916.98
7.4.330.0050.00016.71
7.4.320.0060.00016.48
7.4.300.0000.00616.54
7.4.290.0030.00316.57
7.4.280.0050.00516.55
7.4.270.0050.00316.66
7.4.260.0040.00316.53
7.4.250.0000.00816.59
7.4.240.0000.00716.55
7.4.230.0070.00016.46
7.4.220.0120.00616.68
7.4.210.0100.00516.74
7.4.200.0000.00716.40
7.4.160.0080.01116.55
7.4.150.0090.00917.40
7.4.140.0080.01217.86
7.4.130.0120.00816.64
7.4.120.0120.00616.55
7.4.110.0160.00616.43
7.4.100.0160.00816.59
7.4.90.0090.01616.68
7.4.80.0170.00719.39
7.4.70.0070.01516.60
7.4.60.0060.00916.67
7.4.50.0030.01316.39
7.4.40.0070.01316.38
7.4.30.0060.01616.52
7.4.10.0030.01315.22
7.4.00.0090.00715.20
7.3.330.0080.00013.48
7.3.320.0050.00013.48
7.3.310.0000.00716.38
7.3.300.0000.00816.49
7.3.290.0040.00416.50
7.3.280.0040.01116.47
7.3.270.0030.01417.40
7.3.260.0040.01516.55
7.3.250.0160.00716.50
7.3.240.0110.00716.56
7.3.230.0060.02016.69
7.3.210.0080.00816.68
7.3.200.0100.00716.53
7.3.190.0030.01316.41
7.3.180.0120.00316.67
7.3.170.0090.01216.39
7.3.160.0090.00616.67
7.3.130.0090.00614.93
7.3.120.0070.01014.96
7.3.110.0070.01014.63
7.3.100.0030.01014.91
7.3.90.0070.01114.91
7.3.80.0060.00614.72
7.3.70.0100.00614.68
7.3.60.0100.00615.09
7.3.50.0030.01014.82
7.3.40.0030.01114.88
7.3.30.0070.00614.96
7.3.20.0100.00716.65
7.3.10.0020.01516.56
7.3.00.0080.00816.57
7.2.330.0140.00316.82
7.2.320.0060.01016.86
7.2.310.0070.01016.91
7.2.300.0140.00616.47
7.2.290.0070.01516.46
7.2.260.0040.01114.88
7.2.250.0140.00414.68
7.2.240.0090.00615.27
7.2.230.0070.01015.06
7.2.220.0080.01115.22
7.2.210.0040.00715.20
7.2.200.0000.01615.11
7.2.190.0080.00815.12
7.2.180.0110.00014.84
7.2.170.0060.00614.82
7.2.160.0070.00415.05
7.2.150.0060.00917.07
7.2.140.0100.00317.04
7.2.130.0080.00816.95
7.2.120.0090.00416.77
7.2.110.0050.00916.69
7.2.100.0050.01216.87
7.2.90.0070.01116.72
7.2.80.0050.01116.96
7.2.70.0200.00516.74
7.2.60.0100.00516.83
7.2.50.0060.01116.80
7.2.40.0090.00716.95
7.2.30.0110.01016.97
7.2.20.0090.00816.88
7.2.10.0080.00816.91
7.2.00.0030.01017.68
7.1.330.0080.00615.89
7.1.320.0080.00415.64
7.1.310.0070.00615.74
7.1.300.0000.01715.99
7.1.290.0080.00815.45
7.1.280.0060.00615.60
7.1.270.0060.00915.69
7.1.260.0000.00915.71
7.1.250.0100.00515.62
7.1.240.0090.00615.86
7.1.230.0100.00715.49
7.1.220.0110.00415.75
7.1.210.0060.00315.78
7.1.200.0030.00715.94
7.1.190.0030.00715.95
7.1.180.0090.00615.62
7.1.170.0070.00715.99
7.1.160.0100.00615.70
7.1.150.0090.00615.95
7.1.140.0000.00815.57
7.1.130.0000.01215.92
7.1.120.0070.00715.81
7.1.110.0090.00015.82
7.1.100.0120.00715.93
7.1.90.0030.00615.81
7.1.80.0030.00615.71
7.1.70.0070.00416.53
7.1.60.0090.00617.51
7.1.50.0060.01016.25
7.1.40.0060.00315.93
7.1.30.0080.00415.84
7.1.20.0060.00615.63
7.1.10.0030.00915.69
7.1.00.0030.04319.09
7.0.330.0090.00615.58
7.0.320.0060.00915.44
7.0.310.0000.00915.17
7.0.300.0040.00915.39
7.0.290.0070.00315.44
7.0.280.0030.00715.25
7.0.270.0100.00315.43
7.0.260.0000.01115.16
7.0.250.0030.01415.31
7.0.240.0070.00715.29
7.0.230.0030.00715.28
7.0.220.0040.00715.49
7.0.210.0100.00315.57
7.0.200.0010.00816.13
7.0.190.0080.00315.55
7.0.180.0080.00415.19
7.0.170.0000.01315.36
7.0.160.0040.00715.55
7.0.150.0040.00915.51
7.0.140.0030.00715.20
7.0.130.0030.01415.08
7.0.120.0040.00815.43
7.0.110.0030.01015.24
7.0.100.0120.00015.45
7.0.90.0130.02817.75
7.0.80.0050.03017.61
7.0.70.0120.03217.51
7.0.60.0120.04217.66
7.0.50.0120.05217.86
7.0.40.0030.04916.70
7.0.30.0050.04616.65
7.0.20.0070.04216.85
7.0.10.0080.04116.83
7.0.00.0070.04416.63
5.6.400.0030.01014.39
5.6.390.0110.00414.52
5.6.380.0070.00314.71
5.6.370.0070.00414.62
5.6.360.0080.00314.18
5.6.350.0040.01114.80
5.6.340.0040.00914.19
5.6.330.0060.00614.30
5.6.320.0060.00914.09
5.6.310.0070.00714.56
5.6.300.0080.00014.49
5.6.290.0060.00614.67
5.6.280.0080.03217.73
5.6.270.0060.00914.64
5.6.260.0040.00414.57
5.6.250.0030.00614.34
5.6.240.0020.04617.59
5.6.230.0060.03017.53
5.6.220.0060.02517.42
5.6.210.0030.04517.50
5.6.200.0050.03517.63
5.6.190.0050.04817.71
5.6.180.0100.02017.74
5.6.170.0080.03617.95
5.6.160.0070.04517.64
5.6.150.0050.04717.81
5.6.140.0040.02717.65
5.6.130.0070.03217.62
5.6.120.0070.03017.72
5.6.110.0070.03017.83
5.6.100.0070.03717.79
5.6.90.0120.02717.68
5.6.80.0100.04517.37
5.6.70.0080.03317.29
5.6.60.0080.03517.28
5.6.50.0030.04817.31
5.6.40.0150.03217.16
5.6.30.0150.03817.28
5.6.20.0120.03717.33
5.6.10.0060.04317.40
5.6.00.0120.03517.32
5.5.380.0090.02617.15
5.5.370.0080.04217.38
5.5.360.0030.03017.23
5.5.350.0070.02617.45
5.5.340.0070.03517.56
5.5.330.0040.02917.43
5.5.320.0080.04017.57
5.5.310.0050.04517.48
5.5.300.0090.02717.36
5.5.290.0080.03917.44
5.5.280.0120.02617.58
5.5.270.0050.02917.49
5.5.260.0070.03717.53
5.5.250.0110.04017.47
5.5.240.0060.02817.21
5.5.230.0060.03617.21
5.5.220.0070.04417.13
5.5.210.0120.03817.26
5.5.200.0090.03617.19
5.5.190.0050.04017.24
5.5.180.0070.04017.15
5.5.170.0030.01013.79
5.5.160.0050.04317.11
5.5.150.0110.03817.20
5.5.140.0100.02717.18
5.5.130.0050.03717.12
5.5.120.0100.03817.02
5.5.110.0070.04517.18
5.5.100.0050.04517.13
5.5.90.0090.04517.22
5.5.80.0140.02817.12
5.5.70.0080.04117.03
5.5.60.0100.03817.04
5.5.50.0070.02817.16
5.5.40.0110.02017.25
5.5.30.0070.02717.11
5.5.20.0040.02916.97
5.5.10.0040.03217.04
5.5.00.0080.04017.09

preferences:
56.93 ms | 401 KiB | 5 Q