3v4l.org

run code in 300+ PHP versions simultaneously
<?php function is_serializable($_){return is_string($_)||is_array($_)||is_null($_)||@serialize($_);} $a = 'dsfs'; print is_serializable($a); // create a new cURL resource $ch = curl_init(); print is_serializable($ch); // set URL and other appropriate options curl_setopt($ch, CURLOPT_URL, "http://www.example.com/"); curl_setopt($ch, CURLOPT_HEADER, 0); // grab URL and pass it to the browser curl_exec($ch); // close cURL resource, and free up system resources curl_close($ch);

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)
8.3.60.0040.01118.55
8.3.50.0090.00721.14
8.3.40.0070.00719.02
8.3.30.0110.00420.39
8.3.20.0080.00020.38
8.3.10.0040.00422.09
8.3.00.0040.00422.52
8.2.180.0140.00316.50
8.2.170.0060.01222.96
8.2.160.0190.00020.53
8.2.150.0050.00224.18
8.2.140.0030.00524.66
8.2.130.0040.00426.16
8.2.120.0000.00819.53
8.2.110.0090.00022.24
8.2.100.0040.00819.25
8.2.90.0000.00919.28
8.2.80.0030.00519.34
8.2.70.0040.00417.63
8.2.60.0000.00917.91
8.2.50.0000.00818.07
8.2.40.0070.00018.34
8.2.30.0000.00718.04
8.2.20.0070.00017.67
8.2.10.0040.00417.82
8.2.00.0000.00817.72
8.1.280.0070.01425.92
8.1.270.0090.00020.40
8.1.260.0050.00326.35
8.1.250.0030.00628.09
8.1.240.0060.00323.77
8.1.230.0040.00819.10
8.1.220.0080.00017.76
8.1.210.0050.00318.77
8.1.200.0130.00017.24
8.1.190.0000.00717.53
8.1.180.0050.00318.10
8.1.170.0030.00518.66
8.1.160.0070.00022.19
8.1.150.0040.00418.68
8.1.140.0040.00417.33
8.1.130.0000.00717.70
8.1.120.0070.00017.54
8.1.110.0030.00617.45
8.1.100.0040.00417.35
8.1.90.0070.00017.45
8.1.80.0030.00517.52
8.1.70.0000.00717.42
8.1.60.0080.00017.62
8.1.50.0000.00717.51
8.1.40.0040.00417.51
8.1.30.0000.00717.63
8.1.20.0090.00017.50
8.1.10.0000.00717.44
8.1.00.0000.00817.39
8.0.300.0070.00018.77
8.0.290.0000.00717.04
8.0.280.0030.00318.39
8.0.270.0000.00717.31
8.0.260.0030.00316.93
8.0.250.0040.00417.03
8.0.240.0040.00417.08
8.0.230.0000.00717.01
8.0.220.0030.00616.94
8.0.210.0070.00016.93
8.0.200.0080.00016.94
8.0.190.0070.00017.03
8.0.180.0000.00717.00
8.0.170.0040.00416.91
8.0.160.0040.00416.98
8.0.150.0070.00016.80
8.0.140.0000.00916.80
8.0.130.0060.00013.48
8.0.120.0050.00316.80
8.0.110.0030.00516.91
8.0.100.0070.00017.07
8.0.90.0030.00317.07
8.0.80.0100.00717.01
8.0.70.0040.00416.92
8.0.60.0050.00216.82
8.0.50.0080.00016.89
8.0.30.0080.01117.15
8.0.20.0100.00717.40
8.0.10.0000.00716.91
8.0.00.0090.01016.87
7.4.330.0000.00515.00
7.4.320.0060.00016.40
7.4.300.0030.00316.50
7.4.290.0070.00016.62
7.4.280.0030.00316.37
7.4.270.0050.00316.50
7.4.260.0000.01016.46
7.4.250.0000.00816.37
7.4.240.0060.00116.54
7.4.230.0000.00716.41
7.4.220.0160.00316.41
7.4.210.0050.01016.59
7.4.200.0000.00716.69
7.4.190.0040.00416.67
7.4.160.0130.00616.54
7.4.150.0120.00617.40
7.4.140.0150.00417.86
7.4.130.0030.01616.50
7.4.120.0100.01016.66
7.4.110.0040.01916.48
7.4.100.0150.00616.54
7.4.90.0090.00916.60
7.4.80.0080.01319.39
7.4.70.0160.00016.68
7.4.60.0120.01216.66
7.4.50.0000.00516.41
7.4.40.0090.00622.77
7.4.30.0070.01116.66
7.4.00.0070.01014.90
7.3.330.0000.00513.07
7.3.320.0000.00513.12
7.3.310.0070.00016.34
7.3.300.0030.00316.17
7.3.290.0100.00316.24
7.3.280.0080.00916.30
7.3.270.0080.00817.40
7.3.260.0080.00816.47
7.3.250.0030.01416.45
7.3.240.0120.00616.61
7.3.230.0090.00916.50
7.3.210.0030.01316.43
7.3.200.0030.01519.39
7.3.190.0110.00716.45
7.3.180.0090.00816.43
7.3.170.0030.01416.43
7.3.160.0110.00516.66
7.3.120.0050.01014.87
7.3.110.0060.01215.07
7.3.100.0040.01114.81
7.3.90.0030.01414.68
7.3.80.0000.01114.65
7.3.70.0030.01014.73
7.3.60.0040.01114.65
7.3.50.0110.00714.46
7.3.40.0000.00914.45
7.3.30.0100.00714.56
7.3.20.0070.00716.73
7.3.10.0030.01016.64
7.3.00.0080.00416.41
7.2.330.0060.01116.77
7.2.320.0120.00616.63
7.2.310.0150.00416.81
7.2.300.0030.01816.68
7.2.290.0100.00716.68
7.2.250.0120.00415.12
7.2.240.0090.00915.12
7.2.230.0000.00914.63
7.2.220.0040.00414.97
7.2.210.0070.01015.00
7.2.200.0090.00315.08
7.2.190.0090.00615.03
7.2.180.0030.01314.96
7.2.170.0090.00614.91
7.2.60.0030.01016.91
7.2.00.0080.00319.50
7.1.330.0060.01115.71
7.1.320.0000.00815.41
7.1.310.0080.00815.83
7.1.300.0000.00815.53
7.1.290.0030.01315.49
7.1.280.0100.00715.86
7.1.270.0070.00415.61
7.1.260.0100.00315.50
7.1.200.0080.00415.65
7.1.100.0000.01118.07
7.1.70.0030.01017.08
7.1.60.0130.00719.50
7.1.50.0040.01816.86
7.1.00.0000.03722.54
7.0.200.0000.00716.82
7.0.140.0070.07022.08
7.0.80.0470.07719.93
7.0.70.0400.05019.88
7.0.60.0870.05319.96
7.0.50.0400.07720.30
7.0.40.0030.08720.05
7.0.30.0070.06020.11
7.0.20.0070.05020.05
7.0.10.0070.08020.13
7.0.00.0100.07320.03
5.6.280.0070.07020.93
5.6.230.0130.08720.72
5.6.220.0100.07720.62
5.6.210.0070.08320.57
5.6.200.0070.08021.04
5.6.190.0000.09020.95
5.6.180.0130.07320.94
5.6.170.0030.07721.02
5.6.160.0030.05321.14
5.6.150.0100.05021.04
5.6.140.0030.07021.06
5.6.130.0070.06021.08
5.6.120.0030.07721.00
5.6.110.0070.05020.96
5.6.100.0100.04321.09
5.6.90.0030.04321.03
5.6.80.0030.03720.46
5.6.70.0070.03720.33
5.6.60.0170.02720.42
5.6.50.0030.04020.45
5.6.40.0000.05020.50
5.6.30.0030.04020.37
5.6.20.0030.04020.41
5.6.10.0030.04020.46
5.6.00.0070.04720.45
5.5.370.0130.07320.39
5.5.360.0230.05720.35
5.5.350.0200.06720.39
5.5.340.0030.08720.80
5.5.330.0070.08320.88
5.5.320.0130.07720.63
5.5.310.0070.08720.82
5.5.300.0070.08720.84
5.5.290.0100.04720.79
5.5.280.0100.08720.78
5.5.270.0100.08320.85
5.5.260.0030.04320.75
5.5.250.0130.03020.46
5.5.240.0030.04020.26
5.5.230.0070.04320.16
5.5.220.0100.03320.15
5.5.210.0030.04020.29
5.5.200.0030.03720.19
5.5.190.0100.05320.23
5.5.180.0000.04720.25
5.5.160.0070.04020.11
5.5.150.0070.03720.12
5.5.140.0030.04020.25
5.5.130.0070.03720.23
5.5.120.0030.04320.26
5.5.110.0030.04320.08
5.5.100.0030.04020.12
5.5.90.0000.03720.17
5.5.80.0030.04020.07
5.5.70.0070.04320.08
5.5.60.0070.03720.16
5.5.50.0070.03719.94
5.5.40.0130.03020.15
5.5.30.0000.04320.05
5.5.20.0070.03720.07
5.5.10.0030.03319.92
5.5.00.0070.03320.03
5.4.450.0100.06319.48
5.4.440.0070.07019.22
5.4.430.0070.07319.17
5.4.420.0000.04719.16
5.4.410.0000.05319.33
5.4.400.0000.04018.90
5.4.390.0100.03719.05
5.4.380.0070.03718.88
5.4.370.0030.03719.03
5.4.360.0070.04019.03
5.4.350.0130.04019.21
5.4.340.0030.03719.23
5.4.320.0070.03719.23
5.4.310.0030.03719.23
5.4.300.0070.03718.96
5.4.290.0000.04019.04
5.4.280.0030.04019.03
5.4.270.0070.03319.02
5.4.260.0070.03319.23
5.4.250.0000.04019.09
5.4.240.0000.04318.98
5.4.230.0070.05319.20
5.4.220.0070.03318.90
5.4.210.0070.03719.15
5.4.200.0000.04319.20
5.4.190.0070.03319.11
5.4.180.0070.03718.88
5.4.170.0000.03319.04
5.4.160.0000.04019.01
5.4.150.0000.04019.16
5.4.140.0000.03716.41
5.4.130.0070.03016.19
5.4.120.0030.06016.41
5.4.110.0070.03316.46
5.4.100.0030.03716.50
5.4.90.0000.03716.49
5.4.80.0130.02716.45
5.4.70.0000.08316.45
5.4.60.0130.07016.37
5.4.50.0100.04016.48
5.4.40.0000.05316.45
5.4.30.0030.07316.49
5.4.20.0100.07016.38
5.4.10.0070.07716.33
5.4.00.0100.07015.86
5.3.290.0000.04014.61
5.3.280.0030.04314.52
5.3.270.0130.03714.75
5.3.260.0030.03314.59
5.3.250.0000.04014.56
5.3.240.0070.04014.71
5.3.230.0000.04014.69
5.3.220.0070.03314.55
5.3.210.0030.03714.54
5.3.200.0070.04014.58
5.3.190.0000.04714.50
5.3.180.0000.04314.67
5.3.170.0070.07014.58
5.3.160.0030.07714.59
5.3.150.0130.06314.62
5.3.140.0070.07714.55
5.3.130.0100.07014.62
5.3.120.0030.08014.60
5.3.110.0030.08314.51
5.3.100.0070.06014.04
5.3.90.0170.06713.98
5.3.80.0100.07014.04
5.3.70.0100.06014.04
5.3.60.0100.07013.89
5.3.50.0030.05014.00
5.3.40.0070.08013.84
5.3.30.0070.07014.05
5.3.20.0000.05713.75
5.3.10.0100.07013.77
5.3.00.0030.06013.56
5.2.170.0070.06312.46
5.2.160.0100.05712.46
5.2.150.0030.06312.46
5.2.140.0030.06712.46
5.2.130.0100.05712.46
5.2.120.0100.04712.46
5.2.110.0070.04712.46
5.2.100.0030.06012.46
5.2.90.0030.04712.46
5.2.80.0030.04712.46
5.2.70.0070.06012.46
5.2.60.0070.06712.46
5.2.50.0170.05012.46
5.2.40.0000.04712.46
5.2.30.0030.06012.46
5.2.20.0030.06312.46
5.2.10.0070.05712.46
5.2.00.0030.06012.46
5.1.60.0000.04012.46
5.1.50.0030.05312.46
5.1.40.0030.03312.46
5.1.30.0030.03012.46
5.1.20.0070.05012.46
5.1.10.0030.06012.46
5.1.00.0100.05012.46
5.0.50.0030.04712.46
5.0.40.0030.04312.46
5.0.30.0030.06312.46
5.0.20.0030.04712.46
5.0.10.0030.04712.46
5.0.00.0070.06012.46
4.4.90.0000.03712.46
4.4.80.0030.03712.46
4.4.70.0000.03712.46
4.4.60.0070.03312.46
4.4.50.0000.03312.46
4.4.40.0000.05712.46
4.4.30.0030.03012.46
4.4.20.0000.02312.46
4.4.10.0000.03712.46
4.4.00.0070.04312.46
4.3.110.0030.03312.46
4.3.100.0070.01712.46
4.3.90.0100.02312.46
4.3.80.0070.04712.46
4.3.70.0030.03012.46
4.3.60.0030.03312.46
4.3.50.0030.02712.46
4.3.40.0070.05012.46
4.3.30.0030.02012.46
4.3.20.0030.02012.46
4.3.10.0030.03312.46
4.3.00.0000.03712.46

preferences:
57.26 ms | 401 KiB | 5 Q