3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo "Initial: ".memory_get_usage()." bytes \n"; /* prints Initial: 361400 bytes */ // let's use up some memory for ($i = 0; $i < 100000; $i++) { $array []= md5($i); } // let's remove half of the array for ($i = 0; $i < 100000; $i++) { unset($array[$i]); } echo "Final: ".memory_get_usage()." bytes \n"; /* prints Final: 885912 bytes */ echo "Peak: ".memory_get_peak_usage()." bytes \n"; /* prints Peak: 13687072 bytes */ ?>

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)
7.4.10.0200.04423.78
7.4.00.0200.03023.75
7.3.130.0070.04324.06
7.3.120.0130.03524.06
7.3.110.0170.05023.77
7.3.100.0200.02623.68
7.3.90.0130.03324.03
7.3.80.0000.04623.74
7.3.70.0060.04223.98
7.3.60.0140.04223.88
7.3.50.0110.03523.91
7.3.40.0100.02823.68
7.3.30.0140.04423.89
7.3.20.0030.04426.68
7.3.10.0070.03126.41
7.3.00.0100.04126.48
7.2.260.0100.05823.85
7.2.250.0130.04524.27
7.2.240.0100.03424.06
7.2.230.0070.04823.70
7.2.220.0100.04824.26
7.2.210.0200.02624.27
7.2.200.0030.04424.12
7.2.190.0070.03524.14
7.2.180.0060.04424.15
7.2.170.0140.04824.12
7.2.160.0230.04924.01
7.2.150.0070.04326.67
7.2.140.0160.02626.92
7.2.130.0070.03826.86
7.2.120.0090.03127.03
7.2.110.0100.03726.93
7.2.100.0100.03626.77
7.2.90.0030.04526.70
7.2.80.0030.04026.82
7.2.70.0030.03627.09
7.2.60.0030.04826.98
7.2.50.0100.03326.75
7.2.40.0030.04026.74
7.2.30.0040.04226.93
7.2.20.0070.04026.90
7.2.10.0030.04226.75
7.2.00.0090.03628.07
7.1.330.0070.04925.66
7.1.320.0070.04825.79
7.1.310.0030.06925.70
7.1.300.0130.04225.86
7.1.290.0100.04825.75
7.1.280.0100.05025.68
7.1.270.0070.06825.93
7.1.260.0030.05525.84
7.1.250.0100.04725.81
7.1.240.0070.05225.67
7.1.230.0070.04725.50
7.1.220.0070.04625.79
7.1.210.0100.04625.66
7.1.200.0030.06525.87
7.1.190.0060.04825.87
7.1.180.0030.05925.52
7.1.170.0070.04925.85
7.1.160.0070.04525.80
7.1.150.0130.04625.91
7.1.140.0030.05125.80
7.1.130.0070.04925.89
7.1.120.0030.04825.93
7.1.110.0070.05625.77
7.1.100.0060.06525.93
7.1.90.0070.04425.84
7.1.80.0030.04725.93
7.1.70.0030.04626.45
7.1.60.0050.06526.72
7.1.50.0080.05926.41
7.1.40.0070.05325.73
7.1.30.0070.04725.69
7.1.20.0030.05325.87
7.1.10.0100.04825.80
7.1.00.0070.08129.08
7.0.330.0030.05525.26
7.0.320.0000.06025.24
7.0.310.0000.05425.50
7.0.300.0030.05025.21
7.0.290.0070.05225.54
7.0.280.0100.05325.66
7.0.270.0060.05425.41
7.0.260.0130.04425.47
7.0.250.0070.05025.65
7.0.240.0100.06025.29
7.0.230.0030.05425.53
7.0.220.0070.05025.52
7.0.210.0030.04625.46
7.0.200.3350.04524.76
7.0.190.0030.05125.47
7.0.180.0070.04525.22
7.0.170.0030.04825.62
7.0.160.0030.05125.51
7.0.150.0100.04225.48
7.0.140.0130.07828.72
7.0.130.0030.06425.61
7.0.120.0100.08128.84
7.0.110.0160.04225.29
7.0.100.0130.04425.44
7.0.90.0000.05025.39
7.0.80.0070.04825.39
7.0.70.0030.05025.42
7.0.60.0070.08827.30
7.0.50.0070.08626.24
7.0.40.0100.09221.54
7.0.30.0250.07321.43
7.0.20.0280.07721.49
7.0.10.0070.07221.54
7.0.00.0050.06521.53
5.6.400.0170.11433.61
5.6.390.0000.11833.52
5.6.380.0160.10134.09
5.6.370.0100.08734.14
5.6.360.0100.08633.70
5.6.350.0270.07334.04
5.6.340.0170.08634.11
5.6.330.0100.08334.03
5.6.320.0130.08033.86
5.6.310.0200.07734.06
5.6.300.0070.09133.74
5.6.290.0200.08233.79
5.6.280.0250.10137.15
5.6.270.0070.09033.71
5.6.260.0100.08733.81
5.6.250.0290.07933.89
5.6.240.0100.08833.78
5.6.230.0470.07633.69
5.6.220.0230.09733.80
5.6.210.0150.11137.05
5.6.200.0130.10435.83
5.6.190.0150.11636.78
5.6.180.0380.10836.90
5.6.170.0280.11636.76
5.6.160.0120.12036.76
5.6.150.0170.12435.63
5.6.140.0170.11635.71
5.6.130.0150.10235.72
5.6.120.0130.12337.09
5.6.110.0150.09837.18
5.6.100.0170.11137.15
5.6.90.0230.08337.20
5.6.80.0150.11636.61
5.6.70.0130.08333.69
5.6.60.0100.08633.62
5.6.50.0200.10533.85
5.6.40.0230.08633.98
5.6.30.0070.08934.07
5.6.20.0100.09033.75
5.6.10.0130.09833.61
5.6.00.0130.09933.74
5.5.380.0200.09033.84
5.5.370.0130.11433.82
5.5.360.0260.07333.68
5.5.350.0230.11436.97
5.5.340.0120.08735.47
5.5.330.0150.11336.66
5.5.320.0220.09336.76
5.5.310.0250.11136.51
5.5.300.0180.10835.55
5.5.290.0220.10835.64
5.5.280.0180.08536.99
5.5.270.0130.09037.11
5.5.260.0120.11436.98
5.5.250.0180.09836.92
5.5.240.0180.10636.75
5.5.230.0030.09533.78
5.5.220.0130.08033.70
5.5.210.0170.10533.82
5.5.200.0100.10833.71
5.5.190.0100.11233.79
5.5.180.0070.10233.92
5.5.170.0100.08933.59
5.5.160.0200.08333.89
5.5.150.0000.10233.37
5.5.140.0130.09233.75
5.5.130.0170.12033.86
5.5.120.0170.07833.66
5.5.110.0130.09133.66
5.5.100.0170.11533.89
5.5.90.0130.12133.91
5.5.80.0100.09633.66
5.5.70.0130.07933.79
5.5.60.0170.08133.49
5.5.50.0130.09033.50
5.5.40.0100.08533.47
5.5.30.0200.07933.80
5.5.20.0200.07833.43
5.5.10.0160.08933.54
5.5.00.0130.10033.71
5.4.450.0150.12034.52
5.4.440.0130.12034.73
5.4.430.0150.11134.71
5.4.420.0130.08734.63
5.4.410.0080.09834.49
5.4.400.0130.11134.43
5.4.390.0170.11034.41
5.4.380.0080.11234.33
5.4.370.0080.11534.35
5.4.360.0130.09434.36
5.4.350.0050.09134.38
5.4.340.0100.12134.46
5.4.330.0100.08630.28
5.4.320.0070.09434.33
5.4.310.0120.11034.28
5.4.300.0120.11834.30
5.4.290.0120.11534.30
5.4.280.0150.10634.30
5.4.270.0130.11434.22
5.4.260.0180.12834.28
5.4.250.0100.10634.39
5.4.240.0130.10834.26
5.4.230.0200.08434.24
5.4.220.0150.09034.21
5.4.210.0130.08834.36
5.4.200.0180.11534.27
5.4.190.0170.11034.19
5.4.180.0130.09634.36
5.4.170.0130.11834.44
5.4.160.0150.10734.38
5.4.150.0070.10334.36
5.4.140.0160.10632.92
5.4.130.0170.08733.02
5.4.120.0200.11532.99
5.4.110.0170.07832.88
5.4.100.0100.09733.03
5.4.90.0120.09533.07
5.4.80.0180.11132.94
5.4.70.0100.10733.01
5.4.60.0180.10533.10
5.4.50.0230.10232.96
5.4.40.0130.10733.06
5.4.30.0240.09932.96
5.4.20.0130.12333.00
5.4.10.0270.10833.10
5.4.00.0120.12132.76
5.3.290.0120.11931.65
5.3.280.0130.09031.52
5.3.270.0110.13231.45
5.3.260.0120.10931.53
5.3.250.0120.13031.50
5.3.240.0130.13131.43
5.3.230.0120.10931.39
5.3.220.0200.12631.54
5.3.210.0100.13031.42
5.3.200.0130.11231.34
5.3.190.0150.10731.52
5.3.180.0120.09431.48
5.3.170.0130.11931.51
5.3.160.0200.10531.51
5.3.150.0180.11531.43
5.3.140.0120.11431.52
5.3.130.0120.13331.51
5.3.120.0100.12531.52
5.3.110.0100.14331.49
5.3.100.0100.12331.24
5.3.90.0150.12131.13
5.3.80.0100.09731.08
5.3.70.0100.13131.20
5.3.60.0170.09931.08
5.3.50.0120.13831.01
5.3.40.0120.10931.08
5.3.30.0160.10531.13
5.3.20.0110.12630.96
5.3.10.0130.11830.68
5.3.00.0080.12430.87
5.2.170.0200.09329.38
5.2.160.0000.09729.32
5.2.150.0030.10329.16
5.2.140.0070.15029.21
5.2.130.0070.14729.23
5.2.120.0070.12029.17
5.2.110.0100.11329.13
5.2.100.0200.13329.34
5.2.90.0430.08029.07
5.2.80.0130.08329.14
5.2.70.0030.09329.16
5.2.60.0030.11329.25
5.2.50.0070.09729.30
5.2.40.0000.11729.30
5.2.30.0030.10029.10
5.2.20.0000.22329.32
5.2.10.0030.25328.91
5.2.00.0000.03010.76
5.1.60.0000.0239.96
5.1.50.0030.02310.00
5.1.40.0000.02710.03
5.1.30.0030.02710.38
5.1.20.0030.02310.25
5.1.10.0030.02310.12
5.1.00.0030.02310.11
5.0.50.0000.0208.54
5.0.40.0030.0178.24
5.0.30.0000.0308.20
5.0.20.0070.0178.17
5.0.10.0000.0208.32
5.0.00.0070.0278.21
4.4.90.0000.0178.01
4.4.80.0030.0138.01
4.4.70.0000.0178.01
4.4.60.0030.0138.01
4.4.50.0030.0138.01
4.4.40.0000.0238.01
4.4.30.0000.0178.01
4.4.20.0030.0138.01
4.4.10.0030.0138.01
4.4.00.0000.0238.01
4.3.110.0070.0108.01
4.3.100.0000.0138.01
4.3.90.0000.0178.01
4.3.80.0030.0208.01
4.3.70.0000.0138.01
4.3.60.0000.0178.01
4.3.50.0030.0138.01
4.3.40.0030.0238.01
4.3.30.0000.0138.01
4.3.20.0000.0178.01
4.3.10.0000.0178.01
4.3.00.0000.0138.01

preferences:
33.86 ms | 401 KiB | 5 Q