3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s = "hal"; print_r($s, -5);

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)
8.3.60.0040.01116.63
8.3.50.0100.01221.09
8.3.40.0040.01118.84
8.3.30.0080.00618.83
8.3.20.0040.00420.21
8.3.10.0080.00023.49
8.3.00.0080.00019.68
8.2.180.0150.00018.16
8.2.170.0070.01018.87
8.2.160.0100.00322.96
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0030.00519.23
8.2.110.0090.00022.00
8.2.100.0000.01217.50
8.2.90.0040.00419.08
8.2.80.0000.00817.97
8.2.70.0030.00617.49
8.2.60.0000.00817.80
8.2.50.0030.00618.07
8.2.40.0000.00819.94
8.2.30.0060.00318.04
8.2.20.0080.00017.59
8.2.10.0040.00417.90
8.2.00.0000.00718.04
8.1.280.0040.01425.92
8.1.270.0080.00020.07
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0030.00624.00
8.1.230.0080.00419.01
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0000.00917.13
8.1.190.0030.00517.23
8.1.180.0000.00818.10
8.1.170.0040.00418.59
8.1.160.0000.00721.93
8.1.150.0040.00418.82
8.1.140.0070.00017.29
8.1.130.0000.00717.70
8.1.120.0000.00817.22
8.1.110.0040.00417.36
8.1.100.0000.00717.26
8.1.90.0000.00817.28
8.1.80.0050.00217.38
8.1.70.0030.00317.25
8.1.60.0000.00817.52
8.1.50.0030.00517.35
8.1.40.0080.00017.31
8.1.30.0000.00817.64
8.1.20.0040.00417.54
8.1.10.0080.00017.42
8.1.00.0040.00417.26
8.0.300.0040.00418.77
8.0.290.0000.00716.58
8.0.280.0000.00818.37
8.0.270.0000.00717.19
8.0.260.0000.00616.84
8.0.250.0000.00716.75
8.0.240.0000.00716.87
8.0.230.0030.00316.86
8.0.220.0000.00816.88
8.0.210.0090.00016.81
8.0.200.0070.00316.86
8.0.190.0110.00016.90
8.0.180.0050.00316.84
8.0.170.0050.00316.84
8.0.160.0000.00716.74
8.0.150.0070.00016.86
8.0.140.0000.00816.67
8.0.130.0030.00313.32
8.0.120.0040.00416.68
8.0.110.0040.00416.78
8.0.100.0050.00216.82
8.0.90.0070.00016.76
8.0.80.0060.01116.70
8.0.70.0040.00416.68
8.0.60.0070.00016.78
8.0.50.0000.00816.84
8.0.30.0090.00817.06
8.0.20.0130.00917.40
8.0.10.0040.00416.78
8.0.00.0090.00816.69
7.4.330.0050.00015.03
7.4.320.0060.00016.57
7.4.300.0000.00616.34
7.4.290.0060.00016.55
7.4.280.0080.00016.34
7.4.270.0000.00716.53
7.4.260.0000.00716.40
7.4.250.0040.00416.40
7.4.240.0020.00516.39
7.4.230.0040.00416.52
7.4.220.0150.00316.53
7.4.210.0070.00716.34
7.4.200.0000.00716.63
7.4.160.0040.01216.47
7.4.150.0080.01117.40
7.4.140.0140.00717.86
7.4.130.0100.00716.49
7.4.120.0100.00716.37
7.4.110.0060.01216.31
7.4.100.0120.00616.30
7.4.90.0090.00916.30
7.4.80.0090.00919.39
7.4.70.0120.00616.45
7.4.60.0070.01416.61
7.4.50.0050.00016.49
7.4.40.0090.00916.47
7.4.30.0180.00616.44
7.4.00.0040.01014.97
7.3.330.0000.00713.00
7.3.320.0020.00212.88
7.3.310.0040.00416.08
7.3.300.0060.00016.16
7.3.290.0120.00316.11
7.3.280.0100.00816.10
7.3.270.0130.00317.40
7.3.260.0060.01816.42
7.3.250.0060.01116.31
7.3.240.0100.00716.15
7.3.230.0090.00916.50
7.3.210.0120.00916.37
7.3.200.0100.01016.14
7.3.190.0100.00616.32
7.3.180.0120.00316.49
7.3.170.0130.00716.44
7.3.160.0090.00816.21
7.3.10.0080.01216.52
7.3.00.0170.00416.43
7.2.330.0160.00316.59
7.2.320.0030.01316.48
7.2.310.0100.00716.51
7.2.300.0130.01016.41
7.2.290.0070.01716.31
7.2.130.0110.00616.62
7.2.120.0150.00516.63
7.2.110.0150.00716.74
7.2.100.0130.00716.62
7.2.90.0150.00816.64
7.2.80.0150.00716.52
7.2.70.0170.00616.69
7.2.60.0100.01416.59
7.2.50.0150.00716.78
7.2.40.0170.00516.70
7.2.30.0080.01116.74
7.2.20.0110.00716.80
7.2.10.0020.01216.81
7.2.00.0040.00917.61
7.1.250.0050.00915.83
7.1.100.0100.00017.74
7.1.70.0030.00616.94
7.1.60.0070.01319.86
7.1.50.0100.01416.98
7.1.00.0030.07322.40
7.0.200.0100.00016.79
7.0.60.0130.05720.00
7.0.50.0100.08017.79
7.0.40.0100.05320.27
7.0.30.0200.04320.01
7.0.20.0430.06720.02
7.0.10.0030.08320.14
7.0.00.0070.06320.08
5.6.210.0070.07720.68
5.6.200.0170.04718.13
5.6.190.0230.06720.63
5.6.180.0300.07720.56
5.6.170.0330.06320.40
5.6.160.0200.07020.41
5.6.150.0070.07018.19
5.6.140.0130.07318.21
5.6.130.0200.06318.19
5.6.120.0170.07721.14
5.6.110.0000.08020.86
5.6.100.0130.07721.03
5.6.90.0130.07321.09
5.6.80.0200.07320.41
5.5.350.0130.06720.38
5.5.340.0070.08017.91
5.5.330.0030.04020.57
5.5.320.0070.05320.25
5.5.310.0230.03320.26
5.5.300.0030.08718.01
5.5.290.0130.08317.98
5.5.280.0070.08020.84
5.5.270.0030.04720.75
5.5.260.0030.04020.72
5.5.250.0170.06020.78
5.5.240.3870.03720.23
5.4.450.0070.08319.12
5.4.440.0070.07719.41
5.4.430.0030.08019.55
5.4.420.0000.07019.20
5.4.410.0000.05319.32
5.4.400.0070.05719.14
5.4.390.0030.07319.06
5.4.380.0100.06019.24
5.4.370.0070.06718.93
5.4.360.0030.07718.92
5.4.350.0030.07718.79
5.4.340.0070.06719.11
5.4.320.0030.07019.08
5.4.310.0070.05318.93
5.4.300.0000.07719.08
5.4.290.0100.05719.20
5.4.280.0070.07019.05
5.4.270.0000.08319.13
5.4.260.0000.05019.24
5.4.250.0030.04719.13
5.4.240.0000.07719.08
5.4.230.0030.07319.24
5.4.220.0100.07719.13
5.4.210.0000.06719.12
5.4.200.0000.07319.05
5.4.190.0000.07719.10
5.4.180.0130.06718.91
5.4.170.0000.07719.07
5.4.160.0130.05719.11
5.4.150.0070.07019.05
5.4.140.0070.07316.55
5.4.130.0030.07016.37
5.4.120.0100.06716.54
5.4.110.0030.07716.34
5.4.100.0100.07016.46
5.4.90.0100.06716.39
5.4.80.0070.07016.37
5.4.70.0030.06716.37
5.4.60.0000.07716.36
5.4.50.0030.07316.40
5.4.40.0030.07016.46
5.4.30.0030.07316.35
5.4.20.0070.04716.36
5.4.10.0070.03716.43
5.4.00.0030.03315.80
5.3.290.0070.05314.52
5.3.280.0100.06714.62
5.3.270.0000.08014.54
5.3.260.0100.07314.55
5.3.250.0070.07014.55
5.3.240.0030.07714.65
5.3.230.0000.06014.64
5.3.220.0030.05014.44
5.3.210.0070.07314.42
5.3.200.0030.05314.61
5.3.190.0070.05014.65
5.3.180.0070.07014.46
5.3.170.0030.07014.54
5.3.160.0070.05014.40
5.3.150.0030.07314.40
5.3.140.0030.07714.43
5.3.130.0030.05714.50
5.3.120.0070.08014.39
5.3.110.0030.06014.63
5.3.100.0000.03713.88
5.3.90.0030.03313.87
5.3.80.0000.03713.96
5.3.70.0000.03313.84
5.3.60.0030.03713.84
5.3.50.0000.03713.99
5.3.40.0030.03313.83
5.3.30.0000.04013.69
5.3.20.0030.03013.66
5.3.10.0000.03713.62
5.3.00.0000.03713.41
5.2.170.0000.03012.29
5.2.160.0000.03012.29
5.2.150.0000.03312.29
5.2.140.0030.03012.29
5.2.130.0000.03312.29
5.2.120.0000.03012.29
5.2.110.0000.02712.29
5.2.100.0000.03712.29
5.2.90.0030.02712.29
5.2.80.0030.02712.29
5.2.70.0030.03712.29
5.2.60.0030.02712.29
5.2.50.0030.05712.29
5.2.40.0030.02712.29
5.2.30.0070.02312.29
5.2.20.0000.03012.29
5.2.10.0000.03012.29
5.2.00.0000.02712.29
5.1.60.0000.02312.29
5.1.50.0000.02312.29
5.1.40.0000.02312.29
5.1.30.0000.02712.29
5.1.20.0000.02712.29
5.1.10.0030.02312.29
5.1.00.0000.02312.29
5.0.50.0030.01712.29
5.0.40.0000.02012.29
5.0.30.0000.03012.29
5.0.20.0000.01712.29
5.0.10.0000.02012.29
5.0.00.0030.02712.29
4.4.90.0000.01712.29
4.4.80.0000.01312.29
4.4.70.0000.01312.29
4.4.60.0030.01312.29
4.4.50.0000.01712.29
4.4.40.0000.02312.29
4.4.30.0000.01312.29
4.4.20.0000.01712.29
4.4.10.0000.01312.29
4.4.00.0070.01712.29
4.3.110.0000.01312.29
4.3.100.0000.01712.29
4.3.90.0030.01312.29
4.3.80.0000.02312.29
4.3.70.0070.01012.29
4.3.60.0000.01312.29
4.3.50.0000.02312.29
4.3.40.0000.02312.29
4.3.30.0000.01712.29
4.3.20.0000.01712.29
4.3.10.0000.02712.29
4.3.00.0000.01712.29

preferences:
56.03 ms | 401 KiB | 5 Q