3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = [1,2,3]; var_dump(memory_get_usage()); foreach ($arr as $k => $v) { var_dump(memory_get_usage()); if (!isset($arr[$k])) { var_dump(memory_get_usage()); } }

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)
7.4.10.0030.01316.43
7.4.00.0030.01316.43
7.3.130.0070.01116.26
7.3.120.0040.01416.43
7.3.110.0120.00616.33
7.3.100.0000.01116.61
7.3.90.0110.00316.28
7.3.80.0060.00616.47
7.3.70.0040.00716.39
7.3.60.0070.01016.41
7.3.50.0060.01216.35
7.3.40.0000.01416.21
7.3.30.0130.00316.28
7.3.20.0070.00718.21
7.3.10.0060.00618.12
7.3.00.0040.01118.02
7.2.260.0100.01016.30
7.2.250.0040.01416.30
7.2.240.0040.01116.57
7.2.230.0030.00916.50
7.2.220.0060.00616.69
7.2.210.0000.01316.65
7.2.200.0040.01116.55
7.2.190.0100.00716.39
7.2.180.0100.00316.32
7.2.170.0030.01216.63
7.2.160.0090.00616.52
7.2.150.0100.00718.16
7.2.140.0030.01018.34
7.2.130.0070.00718.27
7.2.120.0030.01518.36
7.2.110.0030.01018.39
7.2.100.0040.01118.38
7.2.90.0120.00318.17
7.2.80.0070.00318.13
7.2.70.0090.00918.21
7.2.60.0070.01018.36
7.2.50.0060.00918.32
7.2.40.0060.00918.32
7.2.30.0060.00918.19
7.2.20.0040.00718.32
7.2.10.0070.01018.51
7.2.00.0030.01018.67
7.1.330.0040.01217.42
7.1.320.0030.01017.34
7.1.310.0070.00717.35
7.1.300.0110.00717.16
7.1.290.0080.00417.18
7.1.280.0090.00617.18
7.1.270.0040.00817.42
7.1.260.0100.00017.43
7.1.250.0060.00617.41
7.1.240.0110.00717.16
7.1.230.0100.00317.16
7.1.220.0040.01117.16
7.1.210.0030.01017.31
7.1.200.0130.00017.27
7.1.190.0110.00317.10
7.1.180.0070.00717.16
7.1.170.0030.00817.43
7.1.160.0090.00617.41
7.1.150.0070.00317.27
7.1.140.0040.01117.20
7.1.130.0030.00617.14
7.1.120.0090.00317.38
7.1.110.0090.00317.19
7.1.100.0070.00717.37
7.1.90.0030.00717.08
7.1.80.0070.01317.14
7.1.70.0110.00217.18
7.1.60.0110.00618.28
7.1.50.0080.01117.06
7.1.40.0120.00317.31
7.1.30.0070.01017.16
7.1.20.0030.00617.36
7.1.10.0070.00717.05
7.1.00.0070.04019.80
7.0.330.0060.00916.98
7.0.320.0060.00917.13
7.0.310.0090.00317.03
7.0.300.0060.00617.01
7.0.290.0090.00316.98
7.0.280.0000.01317.08
7.0.270.0060.00917.00
7.0.260.0090.00616.96
7.0.250.0130.00017.06
7.0.240.0060.01517.12
7.0.230.0040.00817.12
7.0.220.0110.00417.06
7.0.210.0000.01316.84
7.0.200.0050.00516.92
7.0.190.0100.00316.91
7.0.180.0030.00617.06
7.0.170.0090.00617.04
7.0.160.0030.00916.96
7.0.150.0030.00917.16
7.0.140.0050.04019.43
7.0.130.0030.01017.14
7.0.120.0080.00317.13
7.0.110.0040.01216.84
7.0.100.0000.01617.15
7.0.90.0080.00517.02
7.0.80.0030.01017.09
7.0.70.0080.00417.14
7.0.60.0110.03818.49
7.0.50.0030.02517.47
7.0.40.0120.04217.48
7.0.30.0340.02517.51
7.0.20.0170.03317.53
7.0.10.0030.02317.48
7.0.00.0050.04617.47
5.6.400.0070.01015.81
5.6.390.0060.00915.70
5.6.380.0090.00915.68
5.6.370.0060.00915.77
5.6.360.0060.00916.01
5.6.350.0100.00316.03
5.6.340.0090.00415.95
5.6.330.0040.01115.91
5.6.320.0040.01115.60
5.6.310.0030.01015.70
5.6.300.0040.00415.63
5.6.290.0040.01115.70
5.6.280.0020.04018.34
5.6.270.0070.00415.94
5.6.260.0030.01315.84
5.6.250.0030.00815.96
5.6.240.0050.00515.71
5.6.230.0100.00315.90
5.6.220.0030.00715.79
5.6.210.0080.02518.15
5.6.200.0080.03317.03
5.6.190.0130.02018.13
5.6.180.0180.02518.19
5.6.170.0200.03818.16
5.6.160.0050.02518.21
5.6.150.0070.03717.06
5.6.140.0030.04317.02
5.6.130.0100.02317.01
5.6.120.0120.04018.46
5.6.110.0180.04018.41
5.6.100.0060.02318.46
5.6.90.0070.04718.37
5.6.80.0110.04217.99
5.6.70.2230.02317.93
5.6.60.0000.01815.87
5.6.50.0070.00715.56
5.6.40.0060.01015.71
5.6.30.0030.01315.79
5.6.20.0090.00615.64
5.6.10.0060.01115.75
5.6.00.0040.00815.64
5.5.380.0030.01415.84
5.5.370.0090.00615.68
5.5.360.0040.00815.70
5.5.350.0080.03818.08
5.5.340.0030.02616.78
5.5.330.0050.02518.10
5.5.320.0290.03718.01
5.5.310.0190.03618.18
5.5.300.0070.03116.97
5.5.290.0020.03216.80
5.5.280.0060.02318.25
5.5.270.0080.04318.26
5.5.260.0020.04818.01
5.5.250.0160.03518.18
5.5.240.0140.04118.05
5.5.230.0100.00715.72
5.5.220.0080.00815.95
5.5.210.0030.01315.57
5.5.200.0000.01415.87
5.5.190.0090.00615.83
5.5.180.0100.00315.77
5.5.170.0060.00315.48
5.5.160.0030.01415.72
5.5.150.0030.01415.82
5.5.140.0000.01615.96
5.5.130.0060.01315.71
5.5.120.0030.01015.56
5.5.110.0040.00415.66
5.5.100.0000.01415.96
5.5.90.0090.00615.55
5.5.80.0000.01215.52
5.5.70.0070.00715.57
5.5.60.0040.01215.67
5.5.50.0040.00815.35
5.5.40.0150.00315.83
5.5.30.0030.00915.39
5.5.20.0130.00315.96
5.5.10.0110.00015.77
5.5.00.0070.00715.60
5.4.450.0420.04516.00
5.4.440.0360.03016.08
5.4.430.0420.03516.08
5.4.420.0360.00016.12
5.4.410.0170.02715.67
5.4.400.0100.03215.76
5.4.390.0180.03615.60
5.4.380.0130.03115.58
5.4.370.0070.02315.51
5.4.360.0050.02715.60
5.4.350.0030.02312.38
5.4.340.0060.02012.32
5.4.330.0000.00812.60
5.4.320.0020.02512.50
5.4.310.0040.02712.54
5.4.300.0040.02512.49
5.4.290.0050.02712.49
5.4.280.0070.02112.43
5.4.270.0080.02112.43
5.4.260.0070.02312.43
5.4.250.0060.02412.46
5.4.240.0040.02312.46
5.4.230.0060.02212.42
5.4.220.0090.02012.45
5.4.210.0080.02712.46
5.4.200.0070.02412.42
5.4.190.0080.02512.42
5.4.180.0040.02712.42
5.4.170.0050.03212.43
5.4.160.0090.02612.43
5.4.150.0080.02712.44
5.4.140.0090.02512.27
5.4.130.0050.01912.31
5.4.120.0050.02212.24
5.4.110.0080.01912.31
5.4.100.0060.01912.24
5.4.90.0040.02512.24
5.4.80.0070.02412.24
5.4.70.0070.02612.31
5.4.60.0100.02512.25
5.4.50.0080.02912.31
5.4.40.0070.02012.23
5.4.30.0050.02212.23
5.4.20.0060.02212.30
5.4.10.0070.02012.27
5.4.00.0070.02011.97
5.3.290.0080.02612.79
5.3.280.0060.02512.70
5.3.270.0070.02112.65
5.3.260.0060.02312.82
5.3.250.0050.02712.77
5.3.240.0080.02112.63
5.3.230.0050.02312.62
5.3.220.0110.02912.62
5.3.210.0090.02712.76
5.3.200.0050.02312.64
5.3.190.0060.02612.75
5.3.180.0050.02412.76
5.3.170.0090.02212.76
5.3.160.0060.02612.81
5.3.150.0080.03412.73
5.3.140.0080.03712.82
5.3.130.0080.03312.69
5.3.120.0070.02312.72
5.3.110.0060.02212.76
5.3.100.0020.02612.45
5.3.90.0050.02412.40
5.3.80.0010.02412.42
5.3.70.0050.02412.40
5.3.60.0050.02412.51
5.3.50.0020.02612.31
5.3.40.0060.02312.29
5.3.30.0050.02112.29
5.3.20.0060.02212.19
5.3.10.0050.02312.10
5.3.00.0070.02512.10
5.2.170.0060.0339.15
5.2.160.0070.0319.15
5.2.150.0060.0319.14
5.2.140.0060.0299.14
5.2.130.0070.0289.11
5.2.120.0100.0259.11
5.2.110.0060.0329.11
5.2.100.0050.0309.12
5.2.90.0060.0299.11
5.2.80.0060.0339.11
5.2.70.0070.0429.11
5.2.60.0070.0319.05
5.2.50.0070.0349.03
5.2.40.0070.0399.00
5.2.30.0110.0278.99
5.2.20.0070.0298.98
5.2.10.0060.0368.90
5.2.00.0100.0418.76
5.1.60.0060.0378.04
5.1.50.0060.0358.04
5.1.40.0110.0298.03
5.1.30.0030.0278.38
5.1.20.0050.0268.39
5.1.10.0040.0348.13
5.1.00.0060.0348.12
5.0.50.0080.0216.60
5.0.40.0060.0206.46
5.0.30.0030.0416.27
5.0.20.0030.0226.24
5.0.10.0050.0206.22
5.0.00.0060.0326.21
4.4.90.0040.0154.77
4.4.80.0040.0144.75
4.4.70.0040.0154.75
4.4.60.0050.0144.75
4.4.50.0000.0254.77
4.4.40.0060.0274.71
4.4.30.0040.0174.76
4.4.20.0040.0174.85
4.4.10.0030.0174.85
4.4.00.0070.0354.75
4.3.110.0040.0204.66
4.3.100.0040.0214.66
4.3.90.0050.0174.63
4.3.80.0040.0264.59
4.3.70.0020.0154.63
4.3.60.0040.0144.63
4.3.50.0050.0134.63
4.3.40.0050.0234.54
4.3.30.0020.0173.27
4.3.20.0020.0173.25
4.3.10.0040.0143.21
4.3.00.0230.0136.54

preferences:
39.27 ms | 401 KiB | 5 Q