3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = ['t', 'e', 'a']; foreach ($str as &$chr) {} echo implode('', $str); foreach ($str as &$chr) {} echo implode('', $str); foreach ($str as $chr) {} echo implode('', $str);

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)
8.3.70.0150.00616.36
8.3.60.0170.00318.55
8.3.50.0100.01121.92
8.3.40.0140.00418.67
8.3.30.0090.00618.79
8.3.20.0050.00320.24
8.3.10.0050.00321.96
8.3.00.0000.00822.39
8.2.180.0120.00416.32
8.2.170.0150.00322.96
8.2.160.0130.00720.94
8.2.150.0060.00324.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00419.27
8.2.110.0030.00622.25
8.2.100.0090.00317.84
8.2.90.0040.00419.17
8.2.80.0030.00517.97
8.2.70.0030.00517.63
8.2.60.0000.00717.92
8.2.50.0080.00018.07
8.2.40.0040.00418.16
8.2.30.0040.00417.92
8.2.20.0000.00717.69
8.2.10.0040.00417.74
8.2.00.0040.00417.80
8.1.280.0160.00025.92
8.1.270.0080.00022.05
8.1.260.0090.00026.35
8.1.250.0050.00328.09
8.1.240.0040.00423.84
8.1.230.0000.01119.10
8.1.220.0040.00417.77
8.1.210.0040.00418.77
8.1.200.0070.00317.35
8.1.190.0050.00517.53
8.1.180.0060.00318.10
8.1.170.0040.00418.59
8.1.160.0030.00522.00
8.1.150.0050.00218.55
8.1.140.0050.00317.35
8.1.130.0000.00717.72
8.1.120.0030.00317.48
8.1.110.0040.00317.32
8.1.100.0040.00417.48
8.1.90.0070.00017.39
8.1.80.0000.00717.43
8.1.70.0030.00317.40
8.1.60.0040.00417.45
8.1.50.0000.00817.52
8.1.40.0000.00817.45
8.1.30.0040.00417.59
8.1.20.0060.00317.47
8.1.10.0020.00517.43
8.1.00.0040.00417.45
8.0.300.0080.00018.77
8.0.290.0050.00216.93
8.0.280.0030.00318.48
8.0.270.0000.00717.25
8.0.260.0040.00416.83
8.0.250.0000.00616.88
8.0.240.0000.00916.84
8.0.230.0000.00716.82
8.0.220.0030.00316.89
8.0.210.0030.00316.84
8.0.200.0000.00616.98
8.0.190.0030.00316.85
8.0.180.0070.00016.81
8.0.170.0050.00216.91
8.0.160.0050.00216.77
8.0.150.0000.00716.86
8.0.140.0040.00416.76
8.0.130.0030.00513.34
8.0.120.0090.00016.80
8.0.110.0080.00016.77
8.0.100.0070.00016.92
8.0.90.0040.00416.86
8.0.80.0100.00716.92
8.0.70.0040.00416.86
8.0.60.0020.00516.94
8.0.50.0040.00416.98
8.0.30.0090.01016.80
8.0.20.0150.00317.40
8.0.10.0000.00716.96
8.0.00.0110.00716.71
7.4.330.0030.00315.14
7.4.320.0000.00716.53
7.4.300.0000.00716.42
7.4.290.0060.00016.57
7.4.280.0000.00716.58
7.4.270.0070.00016.51
7.4.260.0070.00016.57
7.4.250.0080.00016.55
7.4.240.0050.00216.50
7.4.230.0040.00416.38
7.4.220.0060.01216.35
7.4.210.0070.00916.65
7.4.200.0070.00016.67
7.4.190.0070.00016.66
7.4.160.0090.00616.45
7.4.150.0080.00817.40
7.4.140.0120.00817.86
7.4.130.0120.00916.48
7.4.120.0090.00716.58
7.4.110.0110.00716.39
7.4.100.0090.00916.45
7.4.90.0070.01016.52
7.4.80.0170.00319.39
7.4.70.0120.00616.46
7.4.60.0030.01216.36
7.4.50.0080.00016.35
7.4.40.0060.01022.77
7.4.30.0060.00916.55
7.4.00.0050.01214.86
7.3.330.0000.00513.05
7.3.320.0050.00013.14
7.3.310.0030.00316.32
7.3.300.0040.00416.27
7.3.290.0140.00616.24
7.3.280.0080.00816.24
7.3.270.0150.00617.40
7.3.260.0070.01016.14
7.3.250.0060.01516.33
7.3.240.0130.00316.57
7.3.230.0120.00616.39
7.3.210.0110.00716.45
7.3.200.0140.00819.39
7.3.190.0150.00616.24
7.3.180.0100.01016.25
7.3.170.0060.01016.54
7.3.160.0030.01316.58
7.3.120.0050.00915.02
7.3.110.0060.01015.04
7.3.100.0070.01114.85
7.3.90.0110.00014.74
7.3.80.0130.00014.73
7.3.70.0060.00314.77
7.3.60.0060.00314.81
7.3.50.0110.00414.53
7.3.40.0050.00514.86
7.3.30.0100.00614.76
7.3.20.0070.00316.86
7.3.10.0070.00416.65
7.3.00.0040.00816.49
7.2.330.0050.01116.62
7.2.320.0040.01416.64
7.2.310.0080.00816.34
7.2.300.0060.01116.36
7.2.290.0070.01016.49
7.2.250.0030.01314.84
7.2.240.0060.01314.78
7.2.230.0060.00914.71
7.2.220.0030.00715.25
7.2.210.0040.00814.93
7.2.200.0060.00315.07
7.2.190.0100.00314.81
7.2.180.0060.00614.72
7.2.170.0110.00715.22
7.2.00.0030.01019.40
7.1.330.0070.00715.83
7.1.320.0050.00515.81
7.1.310.0060.00615.86
7.1.300.0030.01016.02
7.1.290.0110.00415.71
7.1.280.0110.00016.00
7.1.270.0120.00015.45
7.1.260.0090.00615.84
7.1.100.0940.00716.54
7.1.70.0030.00616.64
7.1.60.0100.01419.82
7.1.50.0100.01416.90
7.1.00.0070.07322.57
7.0.200.0070.00716.50
7.0.140.0000.07321.95
7.0.60.0030.04319.80
7.0.50.0030.08317.89
7.0.40.0170.06320.04
7.0.30.0400.06720.02
7.0.20.0230.05320.30
7.0.10.0300.05720.09
7.0.00.0130.08320.13
5.6.280.0030.07321.11
5.6.210.0070.07720.61
5.6.200.0070.08018.09
5.6.190.0000.05020.56
5.6.180.3800.04020.61
5.6.170.0330.07020.38
5.6.160.0070.05320.37
5.6.150.0030.06018.12
5.6.140.0130.06318.07
5.6.130.0070.08718.16
5.6.120.0100.08321.01
5.6.110.0130.08021.00
5.6.100.0130.05320.98
5.6.90.0130.05720.99
5.6.80.0130.07720.50
5.6.70.0370.04320.34
5.5.350.0070.07720.41
5.5.340.0070.04317.98
5.5.330.0070.08020.56
5.5.320.0330.06720.34
5.5.310.0300.08720.30
5.5.300.0030.06017.90
5.5.290.0030.08317.89
5.5.280.0130.04020.87
5.5.270.0070.08320.86
5.5.260.0100.07320.79
5.5.250.0070.06720.57
5.5.240.0030.04020.36
5.4.450.0700.04719.58
5.4.440.0470.05019.41
5.4.430.1030.00019.67
5.4.420.1300.00019.41
5.4.410.0130.05718.79
5.4.400.0000.06318.76
5.4.390.0070.05718.50
5.4.380.0330.04718.70
5.4.370.0170.05318.73
5.4.360.0300.05018.50
5.4.350.0200.05318.68
5.4.340.0230.05018.68
5.4.320.0100.04912.46
5.4.310.0040.04312.45
5.4.300.0100.03612.45
5.4.290.0040.04312.45
5.4.280.0120.05112.32
5.4.270.0120.04812.32
5.4.260.0090.05012.32
5.4.250.0050.04712.32
5.4.240.0080.03612.32
5.4.230.0080.03812.31
5.4.220.0080.05412.31
5.4.210.0090.04812.31
5.4.200.0090.05312.32
5.4.190.0090.04012.31
5.4.180.0070.05112.31
5.4.170.0200.05712.32
5.4.160.0140.04612.32
5.4.150.0100.04812.31
5.4.140.0130.04112.00
5.4.130.0110.04611.99
5.4.120.0070.04711.95
5.4.110.0120.04011.94
5.4.100.0100.03611.95
5.4.90.0040.03911.94
5.4.80.0060.03811.94
5.4.70.0070.03611.93
5.4.60.0060.04411.94
5.4.50.0100.03711.93
5.4.40.0060.03911.93
5.4.30.0090.04111.92
5.4.20.0090.03411.93
5.4.10.0040.04011.92
5.4.00.0070.04211.41
5.3.290.0080.05812.80
5.3.280.0100.03512.71
5.3.270.0120.05012.72
5.3.260.0040.04512.72
5.3.250.0070.05112.72
5.3.240.0030.05212.72
5.3.230.0090.03712.71
5.3.220.0060.03812.68
5.3.210.0090.04012.68
5.3.200.0040.03812.68
5.3.190.0040.04012.68
5.3.180.0060.03712.67
5.3.170.0090.03412.66
5.3.160.0070.04712.67
5.3.150.0040.04012.68
5.3.140.0070.03612.66
5.3.130.0090.03812.65
5.3.120.0070.03812.66
5.3.110.0100.04412.65
5.3.100.0100.04212.12
5.3.90.0040.04012.09
5.3.80.0060.04712.08
5.3.70.0100.04812.08
5.3.60.0080.03612.06
5.3.50.0150.05512.00
5.3.40.0090.05112.00
5.3.30.0070.04211.94
5.3.20.0110.03811.70
5.3.10.0050.03611.67
5.3.00.0080.04111.66
5.2.170.0070.0369.15
5.2.160.0060.0299.15
5.2.150.0040.0329.15
5.2.140.0100.0309.14
5.2.130.0070.0279.11
5.2.120.0080.0319.11
5.2.110.0060.0289.12
5.2.100.0090.0259.11
5.2.90.0050.0299.11
5.2.80.0070.0299.11
5.2.70.0080.0279.11
5.2.60.0060.0309.05
5.2.50.0060.0309.03
5.2.40.0030.0319.00
5.2.30.0050.0308.98
5.2.20.0090.0298.97
5.2.10.0060.0378.90
5.2.00.0120.0428.76
5.1.60.0050.0358.04
5.1.50.0090.0308.04
5.1.40.0040.0308.02
5.1.30.0070.0248.38
5.1.20.0050.0308.39
5.1.10.0050.0298.12
5.1.00.0060.0348.13
5.0.50.0050.0266.60
5.0.40.0060.0276.46
5.0.30.0030.0446.27
5.0.20.0050.0226.24
5.0.10.0050.0286.21
5.0.00.0070.0346.21
4.4.90.0040.0154.78
4.4.80.0050.0134.76
4.4.70.0020.0164.75
4.4.60.0020.0164.76
4.4.50.0030.0154.77
4.4.40.0020.0264.71
4.4.30.0030.0154.76
4.4.20.0020.0164.84
4.4.10.0040.0214.85
4.4.00.0040.0324.76
4.3.110.0050.0154.66
4.3.100.0040.0154.67
4.3.90.0020.0154.64
4.3.80.0030.0244.59
4.3.70.0030.0154.63
4.3.60.0020.0154.63
4.3.50.0030.0164.63
4.3.40.0030.0264.54
4.3.30.0030.0143.27
4.3.20.0010.0193.25
4.3.10.0000.0213.22
4.3.00.0030.01313.28

preferences:
54.26 ms | 401 KiB | 5 Q