3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(); $a[] = 'a'; $a[] = 'b'; implode("','", $a); print $a;

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)
8.3.40.0090.00918.79
8.3.30.0150.00318.90
8.3.20.0070.00020.02
8.3.10.0040.00423.61
8.3.00.0030.00619.02
8.2.170.0100.00722.96
8.2.160.0130.00720.53
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0170.00026.16
8.2.120.0040.00422.25
8.2.110.0030.00622.21
8.2.100.0080.00317.91
8.2.90.0040.00419.25
8.2.80.0080.00017.97
8.2.70.0040.00417.38
8.2.60.0080.00417.93
8.2.50.0040.00418.07
8.2.40.0040.00418.05
8.2.30.0000.00717.99
8.2.20.0090.00017.77
8.2.10.0080.00017.67
8.2.00.0060.00317.66
8.1.270.0060.00323.93
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0060.00323.72
8.1.230.0070.00419.10
8.1.220.0000.00817.74
8.1.210.0030.00518.77
8.1.200.0070.00317.22
8.1.190.0060.00317.53
8.1.180.0000.00718.10
8.1.170.0030.00518.53
8.1.160.0040.00421.94
8.1.150.0000.00718.57
8.1.140.0040.00417.32
8.1.130.0000.00817.82
8.1.120.0000.00717.29
8.1.110.0030.00517.37
8.1.100.0070.00317.31
8.1.90.0000.00717.29
8.1.80.0000.00817.34
8.1.70.0030.00317.31
8.1.60.0000.00817.41
8.1.50.0050.00217.31
8.1.40.0080.00017.34
8.1.30.0050.00317.49
8.1.20.0000.00817.64
8.1.10.0040.00417.49
8.1.00.0030.00917.33
8.0.300.0040.00418.77
8.0.290.0040.00417.18
8.0.280.0000.00718.43
8.0.270.0080.00017.19
8.0.260.0030.00316.93
8.0.250.0030.00316.92
8.0.240.0040.00417.06
8.0.230.0000.00716.95
8.0.220.0040.00416.76
8.0.210.0060.00316.76
8.0.200.0030.00316.95
8.0.190.0080.00016.95
8.0.180.0060.00316.96
8.0.170.0040.00416.92
8.0.160.0050.00217.01
8.0.150.0040.00416.71
8.0.140.0080.00016.84
8.0.130.0000.00513.35
8.0.120.0000.00816.74
8.0.110.0040.00416.70
8.0.100.0040.00416.91
8.0.90.0050.00316.98
8.0.80.0060.00916.86
8.0.70.0000.00816.93
8.0.60.0030.00516.88
8.0.50.0050.00316.87
8.0.30.0070.01317.16
8.0.20.0090.00917.40
8.0.10.0000.00817.05
8.0.00.0090.00916.74
7.4.330.0000.00515.02
7.4.320.0000.00616.39
7.4.300.0000.00616.45
7.4.290.0000.00716.52
7.4.280.0000.00716.43
7.4.270.0060.00016.57
7.4.260.0000.00716.51
7.4.250.0040.00416.35
7.4.240.0000.00716.36
7.4.230.0040.00416.61
7.4.220.0070.01416.54
7.4.210.0090.00716.41
7.4.200.0000.00716.47
7.4.190.0030.00316.57
7.4.160.0060.00916.45
7.4.150.0070.01217.40
7.4.140.0150.00517.86
7.4.130.0110.00516.57
7.4.120.0150.00716.61
7.4.110.0110.01116.49
7.4.100.0100.00616.64
7.4.90.0100.00716.47
7.4.80.0140.00619.39
7.4.70.0100.01016.64
7.4.60.0100.00616.56
7.4.50.0060.00016.52
7.4.40.0040.00822.77
7.4.30.0090.00616.41
7.4.00.0080.01015.05
7.3.330.0000.00513.30
7.3.320.0050.00013.11
7.3.310.0000.00616.38
7.3.300.0000.00616.20
7.3.290.0100.01016.34
7.3.280.0060.01416.32
7.3.270.0090.00917.40
7.3.260.0110.00716.37
7.3.250.0070.01016.26
7.3.240.0000.01816.33
7.3.230.0210.00216.39
7.3.210.0090.00616.30
7.3.200.0060.01519.39
7.3.190.0180.00016.41
7.3.180.0060.01016.38
7.3.170.0130.00716.44
7.3.160.0030.01316.41
7.3.120.0080.00914.86
7.3.110.0100.00714.73
7.3.100.0070.01014.98
7.3.90.0090.00614.86
7.3.80.0070.01114.68
7.3.70.0080.00014.90
7.3.60.0040.01214.53
7.3.50.0060.00614.58
7.3.40.0070.01014.59
7.3.30.0070.00714.53
7.3.20.0080.00416.69
7.3.10.0030.00716.77
7.3.00.0030.00716.69
7.2.330.0090.00916.60
7.2.320.0090.01216.65
7.2.310.0170.00716.42
7.2.300.0190.00316.39
7.2.290.0120.00416.66
7.2.250.0070.01115.09
7.2.240.0100.01015.16
7.2.230.0060.00914.93
7.2.220.0050.00514.91
7.2.210.0060.01014.72
7.2.200.0100.00314.74
7.2.190.0030.00714.65
7.2.180.0030.00714.91
7.2.170.0060.00315.02
7.2.00.0080.00419.30
7.1.330.0040.01115.60
7.1.320.0040.00715.77
7.1.310.0100.00715.73
7.1.300.0120.00015.92
7.1.290.0090.00315.91
7.1.280.0070.00415.78
7.1.270.0070.00715.82
7.1.260.0080.00415.93
7.1.100.0100.00318.06
7.1.70.0070.00317.22
7.1.60.0100.01419.29
7.1.50.0280.01134.86
7.1.00.0000.08022.45
7.0.200.0030.00316.88
7.0.140.0070.07022.12
7.0.100.0100.08019.88
7.0.90.0100.08019.81
7.0.80.0030.06319.85
7.0.70.0200.07319.81
7.0.60.0070.08319.88
7.0.50.0100.08020.30
7.0.40.0070.06320.05
7.0.30.0030.08020.08
7.0.20.0100.05020.09
7.0.10.0030.05020.07
7.0.00.0130.04020.07
5.6.280.0100.06720.81
5.6.250.0070.05720.43
5.6.240.0170.07320.45
5.6.230.0070.08020.53
5.6.220.0030.07720.50
5.6.210.0030.07020.57
5.6.200.0030.07021.02
5.6.190.0030.06720.95
5.6.180.0170.05321.02
5.6.170.0100.07721.03
5.6.160.0130.08721.10
5.6.150.0170.05320.93
5.6.140.0100.08321.04
5.6.130.0100.08021.09
5.6.120.0070.08321.03
5.6.110.0030.06320.94
5.6.100.0170.07321.05
5.6.90.0070.08720.92
5.6.80.0030.04320.38
5.6.70.0000.08720.47
5.6.60.0170.06320.43
5.6.50.0030.06720.39
5.6.40.0070.07020.43
5.6.30.0100.04020.46
5.6.20.0170.03020.45
5.6.10.0130.05320.42
5.6.00.0070.04020.38
5.5.380.0100.05320.30
5.5.370.0130.08020.36
5.5.360.0000.08720.35
5.5.350.0130.07720.31
5.5.340.0130.03320.86
5.5.330.0100.06320.83
5.5.320.0100.07720.82
5.5.310.0030.05020.78
5.5.300.0130.08320.89
5.5.290.0100.08020.80
5.5.280.0070.09020.86
5.5.270.0100.05020.76
5.5.260.0200.07020.81
5.5.250.0070.08020.61
5.5.240.0100.06020.20
5.5.230.0170.07020.17
5.5.220.0070.06320.20
5.5.210.0070.04320.25
5.5.200.0100.08019.96
5.5.190.0100.06320.11
5.5.180.0030.04320.13
5.5.160.0100.04720.07
5.5.150.0030.04320.26
5.5.140.0000.04320.04
5.5.130.0100.03320.18
5.5.120.0070.03720.07
5.5.110.0070.04320.07
5.5.100.0030.05020.05
5.5.90.0100.04020.09
5.5.80.0100.04020.14
5.5.70.0070.03719.89
5.5.60.0070.03019.91
5.5.50.0030.04020.08
5.5.40.0030.03720.13
5.5.30.0100.03319.92
5.5.20.0070.03320.13
5.5.10.0100.03720.02
5.5.00.0070.03719.94
5.4.450.0070.08019.38
5.4.440.0030.08319.38
5.4.430.0100.07019.33
5.4.420.0000.09019.44
5.4.410.0070.07319.32
5.4.400.0130.07019.12
5.4.390.0130.06718.96
5.4.380.0230.04319.02
5.4.370.0030.05319.03
5.4.360.0070.06719.09
5.4.350.0230.05319.09
5.4.340.0130.03019.23
5.4.320.0130.03319.10
5.4.310.0130.05719.11
5.4.300.0070.03719.14
5.4.290.0000.04018.94
5.4.280.0100.03319.03
5.4.270.0000.04019.12
5.4.260.0000.06019.22
5.4.250.0030.04319.02
5.4.240.0070.03718.96
5.4.230.0030.03718.94
5.4.220.0000.04019.02
5.4.210.0030.04019.13
5.4.200.0000.04018.96
5.4.190.0130.02719.06
5.4.180.0100.04319.04
5.4.170.0000.04319.02
5.4.160.0170.02718.79
5.4.150.0070.03018.94
5.4.140.0030.03316.23
5.4.130.0100.05316.20
5.4.120.0030.06016.20
5.4.110.0030.03716.22
5.4.100.0030.04016.30
5.4.90.0070.03016.30
5.4.80.0070.04716.24
5.4.70.0070.05316.29
5.4.60.0130.02316.39
5.4.50.0030.03716.32
5.4.40.0100.03016.41
5.4.30.0030.03716.24
5.4.20.0070.03316.18
5.4.10.0070.06716.17
5.4.00.0100.02715.73
5.3.290.0100.03314.52
5.3.280.0100.03014.54
5.3.270.0030.03714.46
5.3.260.0030.03314.56
5.3.250.0100.03014.56
5.3.240.0000.03714.61
5.3.230.0070.05014.58
5.3.220.0130.02714.40
5.3.210.0030.03714.47
5.3.200.0130.02714.55
5.3.190.0030.05014.55
5.3.180.0030.03314.49
5.3.170.0070.04014.39
5.3.160.0100.03014.39
5.3.150.0030.03714.52
5.3.140.0000.04014.54
5.3.130.0030.03314.40
5.3.120.0130.04314.52
5.3.110.0030.03714.47
5.3.100.0000.07013.90
5.3.90.0030.04014.00
5.3.80.0030.03713.89
5.3.70.0000.03314.00
5.3.60.0100.04713.99
5.3.50.0030.03313.71
5.3.40.0070.05713.85
5.3.30.0130.07013.68
5.3.20.0070.06313.66
5.3.10.0070.07313.56
5.3.00.0030.04013.63
5.2.170.0000.03312.27
5.2.160.0030.03312.27
5.2.150.0000.06312.27
5.2.140.0100.05712.27
5.2.130.0030.05312.27
5.2.120.0070.05312.27
5.2.110.0100.03312.27
5.2.100.0030.03312.27
5.2.90.0030.05012.27
5.2.80.0070.03312.27
5.2.70.0070.06012.27
5.2.60.0030.03312.27
5.2.50.0030.05712.27
5.2.40.0030.04012.27
5.2.30.0130.04312.27
5.2.20.0070.05712.27
5.2.10.0130.05012.27
5.2.00.0100.05712.27
5.1.60.0070.05012.27
5.1.50.0030.05312.27
5.1.40.0100.04712.27
5.1.30.0030.02712.27
5.1.20.0070.02312.27
5.1.10.0030.05312.27
5.1.00.0100.05312.27
5.0.50.0030.04712.27
5.0.40.0030.04312.27
5.0.30.0000.05312.27
5.0.20.0100.03312.27
5.0.10.0000.02012.27
5.0.00.0030.03012.27
4.4.90.0030.03012.27
4.4.80.0070.03012.27
4.4.70.0030.01712.27
4.4.60.0070.02712.27
4.4.50.0030.03712.27
4.4.40.0000.06012.27
4.4.30.0000.02712.27
4.4.20.0000.03712.27
4.4.10.0100.01712.27
4.4.00.0070.05012.27
4.3.110.0030.02012.27
4.3.100.0070.03312.27
4.3.90.0030.01712.27
4.3.80.0000.02712.27
4.3.70.0030.02012.27
4.3.60.0030.03012.27
4.3.50.0000.03712.27
4.3.40.0000.04012.27
4.3.30.0000.02712.27
4.3.20.0070.03012.27
4.3.10.0100.02712.27
4.3.00.0000.03012.27

preferences:
42.35 ms | 400 KiB | 5 Q