3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array( '1' => array( array('2' => 'lol') ), ); foreach ($array as &$child) { foreach ($child as &$value) { $value['2'] .= ' world'; $value['2'] .= trim('meh..'); } }

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)
8.3.60.0070.00716.60
8.3.50.0110.00420.05
8.3.40.0070.00718.67
8.3.30.0070.00719.23
8.3.20.0000.00820.33
8.3.10.0030.00523.71
8.3.00.0080.00017.63
8.2.180.0120.00616.63
8.2.170.0000.01422.96
8.2.160.0100.00320.32
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0100.00326.16
8.2.120.0050.00220.96
8.2.110.0030.00620.52
8.2.100.0080.00417.91
8.2.90.0050.00319.19
8.2.80.0050.00317.97
8.2.70.0000.00817.50
8.2.60.0040.00419.21
8.2.50.0040.00418.22
8.2.40.0050.00222.18
8.2.30.0040.00419.32
8.2.20.0030.00517.81
8.2.10.0050.00318.03
8.2.00.0040.00417.80
8.1.280.0130.00725.92
8.1.270.0080.00023.60
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00622.29
8.1.230.0040.00817.70
8.1.220.0060.00317.74
8.1.210.0060.00318.77
8.1.200.0080.00017.25
8.1.190.0000.00817.35
8.1.180.0050.00318.10
8.1.170.0040.00418.46
8.1.160.0060.00318.85
8.1.150.0070.00020.14
8.1.140.0110.00017.37
8.1.130.0000.00717.83
8.1.120.0000.00717.44
8.1.110.0000.00817.35
8.1.100.0000.00717.49
8.1.90.0030.00617.48
8.1.80.0000.00717.31
8.1.70.0030.00317.42
8.1.60.0030.00617.58
8.1.50.0000.00817.53
8.1.40.0040.00417.49
8.1.30.0040.00417.66
8.1.20.0040.00417.60
8.1.10.0000.00817.50
8.1.00.0040.00417.52
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0000.00818.35
8.0.270.0030.00317.26
8.0.260.0030.00317.32
8.0.250.0000.00716.96
8.0.240.0030.00316.98
8.0.230.0000.00716.92
8.0.220.0070.00416.86
8.0.210.0040.00416.73
8.0.200.0000.00616.89
8.0.190.0050.00316.88
8.0.180.0000.00716.89
8.0.170.0040.00416.87
8.0.160.0000.00716.77
8.0.150.0040.00316.75
8.0.140.0030.00616.84
8.0.130.0000.00613.37
8.0.120.0000.00716.79
8.0.110.0000.00816.90
8.0.100.0040.00416.91
8.0.90.0000.00816.94
8.0.80.0150.00616.90
8.0.70.0080.00016.92
8.0.60.0020.00516.74
8.0.50.0000.00816.92
8.0.30.0110.00816.95
8.0.20.0100.01317.40
8.0.10.0000.00817.06
8.0.00.0090.00916.78
7.4.330.0000.00615.14
7.4.320.0030.00316.53
7.4.300.0030.00316.49
7.4.290.0030.00316.51
7.4.280.0050.00216.64
7.4.270.0000.00716.63
7.4.260.0070.00016.51
7.4.250.0000.00716.48
7.4.240.0020.00516.52
7.4.230.0070.00016.30
7.4.220.0120.00616.45
7.4.210.0060.00916.53
7.4.200.0070.00016.61
7.4.160.0150.00016.39
7.4.150.0090.00917.40
7.4.140.0090.00817.86
7.4.130.0030.01316.53
7.4.120.0050.01116.52
7.4.110.0030.01316.62
7.4.100.0030.01316.66
7.4.90.0090.00916.68
7.4.80.0110.01119.39
7.4.70.0100.00616.59
7.4.60.0090.01216.57
7.4.50.0050.00316.24
7.4.40.0060.01516.48
7.4.30.0130.00316.45
7.4.00.0000.01715.06
7.3.330.0080.00013.17
7.3.320.0050.00013.26
7.3.310.0000.00616.29
7.3.300.0000.00716.30
7.3.290.0070.00716.44
7.3.280.0080.00816.38
7.3.270.0100.01017.40
7.3.260.0140.00416.49
7.3.250.0120.00416.39
7.3.240.0100.00716.53
7.3.230.0110.01116.59
7.3.210.0130.00316.33
7.3.200.0030.01419.39
7.3.190.0060.01016.53
7.3.180.0100.01016.22
7.3.170.0030.01316.38
7.3.160.0100.00616.42
7.2.330.0160.00316.71
7.2.320.0090.01016.45
7.2.310.0110.01116.75
7.2.300.0070.01116.69
7.2.290.0140.00316.35
7.2.60.0060.00917.00
7.2.00.0100.00719.49
7.1.200.0120.00615.46
7.1.100.0090.00318.10
7.1.70.0000.00717.29
7.1.60.0140.01119.40
7.1.50.0100.01617.02
7.1.00.0000.08022.43
7.0.200.0110.00416.92
7.0.140.0030.06722.13
7.0.60.0100.07319.91
7.0.50.0030.08017.77
7.0.40.0070.08020.30
7.0.30.0300.07020.18
7.0.20.0230.04020.18
7.0.10.0070.04720.16
7.0.00.0070.07719.99
5.6.280.0100.06321.09
5.6.210.0030.07020.62
5.6.200.0070.08718.09
5.6.190.0030.04720.56
5.6.180.0370.07020.43
5.6.170.0200.04720.53
5.6.160.0070.06720.50
5.6.150.0030.06018.12
5.6.140.0100.07318.13
5.6.130.0100.07718.16
5.6.120.0130.08020.89
5.6.110.0030.08720.89
5.6.100.0130.07721.08
5.6.90.0130.07720.99
5.6.80.0030.05320.38
5.5.350.0070.08020.40
5.5.340.0100.08017.95
5.5.330.0070.04720.07
5.5.320.0400.07720.20
5.5.310.0270.04320.31
5.5.300.0030.03717.99
5.5.290.0070.03717.89
5.5.280.0100.05320.79
5.5.270.0070.03720.67
5.5.260.0130.08020.86
5.5.250.0030.08320.68
5.5.240.0200.07020.25
5.4.450.1870.05019.26
5.4.440.1970.04019.25
5.4.430.1870.04319.45
5.4.420.1870.04319.41
5.4.410.1830.04319.33
5.4.400.1800.04719.16
5.4.390.1870.04019.13
5.4.380.1730.03319.11
5.4.370.1670.04019.06
5.4.360.1800.04718.93
5.4.350.0270.05719.24
5.4.340.0130.07719.15
5.4.320.0070.07719.13
5.4.310.0630.07019.09
5.4.300.1830.04319.11
5.4.290.1770.04019.15
5.4.280.1770.04019.07
5.4.270.1830.04018.88
5.4.260.1730.03319.10
5.4.250.1930.04319.24
5.4.240.1970.03719.04
5.4.230.1870.04718.93
5.4.220.2100.03318.88
5.4.210.1900.04319.12
5.4.200.2030.03318.92
5.4.190.1670.04019.12
5.4.180.2070.04318.93
5.4.170.1770.03319.23
5.4.160.1770.03318.75
5.4.150.2100.04319.07
5.4.140.2100.04316.41
5.4.130.2000.04016.26
5.4.120.1600.03316.53
5.4.110.1770.03016.46
5.4.100.1800.03316.41
5.4.90.0900.04016.28
5.4.80.0070.06316.22
5.4.70.0070.03316.48
5.4.60.1730.04016.36
5.4.50.1900.04016.20
5.4.40.2030.04316.37
5.4.30.2070.03016.36
5.4.20.1870.04716.27
5.4.10.1670.03316.46
5.4.00.2030.03315.77
5.3.290.1670.04014.54
5.3.280.1800.04314.61
5.3.270.1870.04314.48
5.3.260.1630.03014.44
5.3.250.0000.04014.47
5.3.240.0030.03714.48
5.3.230.0730.04714.54
5.3.220.1670.03714.42
5.3.210.2070.04014.67
5.3.200.1930.04314.40
5.3.190.1670.03714.42
5.3.180.1600.04014.55
5.3.170.1830.04314.44
5.3.160.1730.04314.42
5.3.150.1900.04314.43
5.3.140.1600.04014.43
5.3.130.1600.05314.61
5.3.120.1130.04714.50
5.3.110.0000.04014.39
5.3.100.0070.05713.87
5.3.90.1370.03713.97
5.3.80.1630.03713.97
5.3.70.1570.04013.96
5.3.60.1630.03314.05
5.3.50.1700.04013.88
5.3.40.1630.03713.85
5.3.30.1670.03313.76
5.3.20.1770.04013.46
5.3.10.1630.03313.53
5.3.00.1670.03013.49
5.2.170.1630.03711.05
5.2.160.1370.02710.97
5.2.150.0330.03711.03
5.2.140.0070.06010.98
5.2.130.0000.05011.04
5.2.120.0100.05711.15
5.2.110.0670.04011.18
5.2.100.1400.02710.96
5.2.90.1670.03310.96
5.2.80.1370.02711.00
5.2.70.1430.03311.14
5.2.60.1400.02311.20
5.2.50.1670.03310.87
5.2.40.1370.03710.93
5.2.30.1170.02710.82
5.2.20.1570.03311.00
5.2.10.1200.02710.90
5.2.00.1230.02310.82
5.1.60.1130.0279.86
5.1.50.0330.0279.89
5.1.40.0030.0279.99
5.1.30.0000.02710.27
5.1.20.0000.02710.27
5.1.10.0470.0309.99
5.1.00.1130.01710.08
5.0.50.0630.0238.63
5.0.40.0670.0238.38
5.0.30.0470.0338.30
5.0.20.0470.0238.20
5.0.10.0570.0178.32
5.0.00.0600.0278.13
4.4.90.0570.0177.86
4.4.80.0570.0177.86
4.4.70.0470.0137.86
4.4.60.0530.0137.86
4.4.50.0470.0137.86
4.4.40.0600.0237.86
4.4.30.0770.0177.86
4.4.20.0530.0207.86
4.4.10.0600.0177.86
4.4.00.0700.0307.86
4.3.110.0600.0207.86
4.3.100.0370.0207.86
4.3.90.0430.0177.86
4.3.80.0470.0277.86
4.3.70.0400.0177.86
4.3.60.0570.0177.86
4.3.50.0500.0137.86
4.3.40.0000.0237.86
4.3.30.0000.0137.86
4.3.20.0030.0107.86
4.3.10.0070.0107.86
4.3.00.0000.0137.86

preferences:
51.24 ms | 400 KiB | 5 Q