3v4l.org

run code in 300+ PHP versions simultaneously
<?php function test() { $data = str_repeat('.', 1000000); echo strlen(serialize($data)); //echo strlen(serialize(str_repeat('.', 1000000))); //$data = serialize(str_repeat('.', 1000000)); //echo strlen($data); } test(); echo PHP_EOL, memory_get_peak_usage(), PHP_EOL;

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)
8.3.60.0110.00618.38
8.3.50.0150.00319.94
8.3.40.0110.01120.60
8.3.30.0070.01120.59
8.3.20.0130.01022.22
8.3.10.0070.00325.65
8.3.00.0030.00621.76
8.2.180.0130.00718.25
8.2.170.0100.00722.96
8.2.160.0100.00622.22
8.2.150.0060.00324.18
8.2.140.0060.00324.66
8.2.130.0030.00623.14
8.2.120.0030.00726.35
8.2.110.0040.00722.33
8.2.100.0100.00319.59
8.2.90.0030.01019.63
8.2.80.0030.00619.77
8.2.70.0000.00919.80
8.2.60.0030.00619.80
8.2.50.0060.00320.62
8.2.40.0080.00022.30
8.2.30.0040.00422.70
8.2.20.0030.00519.57
8.2.10.0000.00919.81
8.2.00.0000.00919.86
8.1.280.0140.00725.92
8.1.270.0080.00422.07
8.1.260.0090.00028.09
8.1.250.0040.00428.09
8.1.240.0000.01125.87
8.1.230.0040.00820.97
8.1.220.0080.00019.52
8.1.210.0070.00319.23
8.1.200.0120.00019.09
8.1.190.0030.00619.10
8.1.180.0060.00319.09
8.1.170.0060.00320.38
8.1.160.0030.00622.34
8.1.150.0000.00820.60
8.1.140.0040.00421.24
8.1.130.0000.00819.40
8.1.120.0000.00819.21
8.1.110.0040.00419.15
8.1.100.0050.00319.18
8.1.90.0060.00319.09
8.1.80.0000.00819.17
8.1.70.0000.00819.17
8.1.60.0030.00619.35
8.1.50.0060.00319.29
8.1.40.0000.00819.36
8.1.30.0000.00919.39
8.1.20.0040.00419.41
8.1.10.0080.00019.14
8.1.00.0000.00919.13
8.0.300.0050.00321.54
8.0.290.0030.00518.50
8.0.280.0050.00319.95
8.0.270.0030.00518.84
8.0.260.0040.00418.86
8.0.250.0000.00718.48
8.0.240.0070.00018.50
8.0.230.0040.00418.55
8.0.220.0060.00318.48
8.0.210.0000.00818.52
8.0.200.0000.00718.36
8.0.190.0040.00418.53
8.0.180.0030.00618.53
8.0.170.0040.00418.53
8.0.160.0080.00018.55
8.0.150.0000.00818.48
8.0.140.0000.00918.35
8.0.130.0070.00014.95
8.0.120.0000.00818.37
8.0.110.0060.00318.39
8.0.100.0060.00318.47
8.0.90.0050.00318.45
8.0.80.0100.00718.50
8.0.70.0030.00518.46
8.0.60.0080.00018.33
8.0.50.0030.00518.54
8.0.30.0130.00718.66
8.0.20.0140.00818.75
8.0.10.0030.00518.61
8.0.00.0100.01218.36
7.4.330.0050.00018.78
7.4.320.0040.00418.09
7.4.300.0030.00318.12
7.4.290.0000.00718.21
7.4.280.0040.00418.10
7.4.270.0050.00318.07
7.4.260.0030.00518.09
7.4.250.0060.00318.20
7.4.240.0050.00318.22
7.4.230.0080.00018.23
7.4.220.0120.00818.24
7.4.210.0110.00818.22
7.4.200.0000.00818.18
7.4.160.0110.00718.09
7.4.150.0120.00917.99
7.4.140.0150.01118.10
7.4.130.0110.01117.97
7.4.120.0110.01318.19
7.4.110.0160.00618.12
7.4.100.0080.01218.10
7.4.90.0120.00918.13
7.4.80.0100.01019.39
7.4.70.0090.00918.16
7.4.60.0140.00518.02
7.4.50.0070.01118.10
7.4.40.0070.01317.85
7.4.30.0140.01118.26
7.4.00.0140.00016.22
7.3.330.0030.00315.00
7.3.320.0000.00914.99
7.3.310.0060.00317.84
7.3.300.0040.00417.86
7.3.290.0080.00017.92
7.3.280.0130.00917.88
7.3.270.0160.00317.68
7.3.260.0150.00417.91
7.3.250.0120.01018.13
7.3.240.0140.00518.02
7.3.230.0150.00417.72
7.3.210.0070.01418.03
7.3.200.0090.00917.81
7.3.190.0070.01118.17
7.3.180.0180.00718.13
7.3.170.0090.01918.05
7.3.160.0190.00017.99
7.3.120.0100.01016.18
7.3.110.0120.00916.20
7.3.100.0130.00316.32
7.3.90.0070.01016.32
7.3.80.0120.00316.26
7.3.70.0070.00416.14
7.3.60.0030.00916.34
7.3.50.0070.00716.49
7.3.40.0070.00716.54
7.3.30.0030.00816.47
7.3.20.0030.00918.59
7.3.10.0070.00718.39
7.3.00.0070.00718.61
7.2.330.0100.01018.34
7.2.320.0090.00917.93
7.2.310.0090.00918.01
7.2.300.0070.01418.19
7.2.290.0150.00418.31
7.2.240.0030.01616.68
7.2.230.0030.01416.57
7.2.220.0040.01416.48
7.2.210.0100.00716.48
7.2.200.0060.00616.57
7.2.190.0160.00316.60
7.2.180.0030.01316.80
7.2.170.0030.01316.68
7.2.160.0070.01116.77
7.2.150.0000.01518.65
7.2.140.0080.00618.76
7.2.130.0090.00618.73
7.2.120.0090.00618.75
7.2.110.0040.01518.53
7.2.100.0000.01518.35
7.2.90.0100.00018.75
7.2.80.0080.00418.87
7.2.70.0060.00618.79
7.2.60.0040.01018.56
7.2.50.0040.00718.78
7.2.40.0100.00618.55
7.2.30.0030.01318.79
7.2.20.0130.00018.42
7.2.10.0060.01218.86
7.2.00.0020.01519.92
7.1.330.0060.01217.79
7.1.320.0110.00417.54
7.1.310.0050.00517.70
7.1.300.0000.01317.81
7.1.290.0080.00417.73
7.1.280.0120.00317.86
7.1.270.0090.00617.78
7.1.260.0100.00717.76
7.1.250.0100.00017.91
7.1.200.0030.00917.78
7.1.100.0080.00319.64
7.1.70.0130.01019.01
7.1.60.0110.01419.52
7.1.50.0250.01336.96
7.1.00.0070.07324.29
7.0.200.0050.00518.68
7.0.60.0170.07321.68
7.0.50.0200.07319.60
7.0.40.0030.05020.20
7.0.30.0330.07720.26
7.0.20.0270.08320.09
7.0.10.0100.07320.45
7.0.00.0000.04320.23
5.6.280.0030.06022.90
5.6.210.0000.07722.47
5.6.200.0100.06319.94
5.6.190.0070.06722.17
5.6.180.0170.04022.29
5.6.170.0500.06022.23
5.6.160.0070.07722.13
5.6.150.0100.08019.93
5.6.140.0070.08019.95
5.6.130.0100.08719.94
5.6.120.0170.05322.92
5.6.110.0170.07022.92
5.6.100.0100.08722.82
5.6.90.0070.08722.77
5.6.80.0100.08322.21
5.5.350.0230.04322.19
5.5.340.0000.06019.75
5.5.330.0100.07721.97
5.5.320.0230.04721.95
5.5.310.0230.03721.93
5.5.300.0070.04319.75
5.5.290.0100.05019.77
5.5.280.0030.04022.70
5.5.270.0030.06722.45
5.5.260.0030.05022.57
5.5.250.0170.06022.35
5.5.240.4230.03721.84

preferences:
57.12 ms | 400 KiB | 5 Q