3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 1;function printA() {global $a;print $a;}printA(); function printAFailed() {print $a;} printAFailed();

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)
8.3.40.0120.00318.84
8.3.30.0040.01118.75
8.3.20.0040.00420.16
8.3.10.0080.00023.61
8.3.00.0040.00419.26
8.2.170.0030.01022.96
8.2.160.0000.01520.35
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.01326.16
8.2.120.0140.00021.03
8.2.110.0030.00622.14
8.2.100.0070.00318.16
8.2.90.0000.00719.22
8.2.80.0040.00417.97
8.2.70.0030.00517.50
8.2.60.0040.00417.92
8.2.50.0000.00818.07
8.2.40.0040.00419.88
8.2.30.0000.00717.98
8.2.20.0050.00317.70
8.2.10.0000.00817.98
8.2.00.0050.00217.82
8.1.270.0040.00423.88
8.1.260.0040.00426.35
8.1.250.0080.00628.09
8.1.240.0040.00422.20
8.1.230.0100.00019.04
8.1.220.0080.00017.79
8.1.210.0040.00418.77
8.1.200.0070.00317.23
8.1.190.0080.00017.10
8.1.180.0000.00818.10
8.1.170.0070.00318.46
8.1.160.0040.00421.97
8.1.150.0070.00018.70
8.1.140.0000.00817.29
8.1.130.0070.00017.72
8.1.120.0040.00317.30
8.1.110.0040.00417.46
8.1.100.0040.00417.30
8.1.90.0000.00917.45
8.1.80.0040.00417.43
8.1.70.0040.00417.36
8.1.60.0030.00517.58
8.1.50.0030.00517.44
8.1.40.0060.00317.52
8.1.30.0050.00317.63
8.1.20.0060.00317.59
8.1.10.0080.00017.38
8.1.00.0080.00017.35
8.0.300.0040.00418.77
8.0.290.0070.00016.86
8.0.280.0000.00718.39
8.0.270.0080.00017.27
8.0.260.0000.00617.18
8.0.250.0000.00717.02
8.0.240.0000.00617.02
8.0.230.0000.00816.99
8.0.220.0050.00316.84
8.0.210.0070.00016.92
8.0.200.0040.00417.00
8.0.190.0000.00817.03
8.0.180.0000.00716.80
8.0.170.0000.00716.91
8.0.160.0000.00716.89
8.0.150.0090.00016.85
8.0.140.0040.00416.80
8.0.130.0000.00613.31
8.0.120.0000.00816.91
8.0.110.0050.00216.85
8.0.100.0050.00316.90
8.0.90.0000.00716.70
8.0.80.0130.00616.84
8.0.70.0000.00816.78
8.0.60.0000.00716.82
8.0.50.0000.00716.86
8.0.30.0080.01217.03
8.0.20.0110.01017.40
8.0.10.0000.00716.90
8.0.00.0080.01116.97
7.4.330.0020.00215.00
7.4.320.0050.00216.54
7.4.300.0000.00616.50
7.4.290.0030.00316.59
7.4.280.0030.00616.49
7.4.270.0070.00016.49
7.4.260.0080.00016.59
7.4.250.0000.00816.45
7.4.240.0030.00316.60
7.4.230.0080.00016.41
7.4.220.0090.00916.59
7.4.210.0040.01016.54
7.4.200.0000.00716.55
7.4.160.0130.01016.41
7.4.150.0160.00317.40
7.4.140.0110.00817.86
7.4.130.0090.00916.77
7.4.120.0100.00716.49
7.4.110.0040.01216.45
7.4.100.0060.01116.45
7.4.90.0060.01216.45
7.4.80.0140.01119.39
7.4.70.0140.00316.55
7.4.60.0090.00616.49
7.4.50.0080.00016.19
7.4.40.0080.00816.57
7.4.30.0060.00916.64
7.4.00.0100.00314.92
7.3.330.0050.00213.18
7.3.320.0000.00513.30
7.3.310.0000.00616.22
7.3.300.0030.00516.36
7.3.290.0070.00716.34
7.3.280.0090.00616.29
7.3.270.0120.00617.40
7.3.260.0080.01316.63
7.3.240.0090.00916.34
7.3.230.0030.01316.55
7.3.210.0000.01716.48
7.3.200.0090.00919.39
7.3.190.0090.00916.44
7.3.180.0160.00016.34
7.3.170.0060.00916.45
7.3.160.0060.01016.42
7.2.330.0150.00316.66
7.2.320.0170.00016.52
7.2.310.0040.01216.33
7.2.300.0100.00716.52
7.2.290.0110.00516.64
7.2.00.0030.01018.91
7.1.100.0130.01317.93
7.1.70.0000.00717.31
7.1.60.0110.00719.40
7.1.50.0100.01416.87
7.1.00.0030.07322.29
7.0.200.0070.00016.34
7.0.140.0000.07722.15
7.0.110.0130.07719.85
7.0.100.0130.07319.90
7.0.90.0130.06719.92
7.0.80.0070.08019.98
7.0.70.0130.07319.91
7.0.60.0100.08319.84
7.0.50.0070.05320.42
7.0.40.0070.07320.16
7.0.30.0170.07020.28
7.0.20.0070.06320.13
7.0.10.0100.08020.21
7.0.00.0070.08320.05
5.6.280.0100.06720.90
5.6.260.0170.07320.84
5.6.250.0130.05020.57
5.6.240.0130.07720.59
5.6.230.0100.08320.51
5.6.220.0070.07020.64
5.6.210.0070.07320.57
5.6.200.0100.08721.13
5.6.190.0070.08321.15
5.6.180.0070.07321.14
5.6.170.0170.07321.12
5.6.160.0070.08321.14
5.6.150.0170.07021.14
5.6.140.0130.07021.12
5.6.130.0000.07021.14
5.6.120.0200.07020.94
5.6.110.0130.08021.09
5.6.100.0130.04720.98
5.6.90.0100.08020.92
5.6.80.0030.08020.66
5.6.70.0100.07720.37
5.6.60.0100.08020.42
5.6.50.0170.07320.64
5.6.40.0100.06720.58
5.6.30.0030.08720.32
5.6.20.0170.07020.54
5.6.10.0070.07320.54
5.6.00.0100.05320.43
5.5.380.0100.03720.48
5.5.370.0100.04720.48
5.5.360.0100.06720.22
5.5.350.0030.09020.38
5.5.340.0070.08020.91
5.5.330.0100.08021.02
5.5.320.0070.07720.81
5.5.310.0170.06320.90
5.5.300.0170.06020.90
5.5.290.0070.04320.96
5.5.280.0130.08020.87
5.5.270.0130.07320.79
5.5.260.0130.07320.86
5.5.250.0070.07720.77
5.5.240.0170.06720.33
5.5.230.0000.05320.28
5.5.220.0070.07320.18
5.5.210.0070.08320.25
5.5.200.0200.07020.17
5.5.190.0100.05720.37
5.5.180.0100.08020.32
5.5.160.0100.07720.21
5.5.150.0070.08020.30
5.5.140.0030.07720.29
5.5.130.0030.08320.09
5.5.120.0070.05020.36
5.5.110.0100.07320.29
5.5.100.0100.06320.14
5.5.90.0000.08019.98
5.5.80.0030.08020.25
5.5.70.0170.06720.20
5.5.60.0070.07720.26
5.5.50.0130.06720.27
5.5.40.0030.07720.24
5.5.30.0070.08020.26
5.5.20.0170.07020.15
5.5.10.0070.07319.93
5.5.00.0030.08020.03
5.4.450.0170.07019.51
5.4.440.0170.07319.33
5.4.430.0070.07319.31
5.4.420.0070.08019.45
5.4.410.0100.07319.44
5.4.400.0230.06019.01
5.4.390.0070.08018.95
5.4.380.0030.07319.18
5.4.370.0030.07718.99
5.4.360.0070.07019.18
5.4.350.0100.07719.25
5.4.340.0000.08319.34
5.4.320.0070.06319.02
5.4.310.0100.06719.34
5.4.300.0000.05319.34
5.4.290.0130.06719.23
5.4.280.0030.07719.24
5.4.270.0130.03718.98
5.4.260.0170.04319.02
5.4.250.0030.07719.15
5.4.240.0100.07319.00
5.4.230.0100.04319.00
5.4.220.0070.05718.96
5.4.210.0100.07719.16
5.4.200.0070.08019.00
5.4.190.0100.07719.00
5.4.180.0130.06719.02
5.4.170.0130.07019.23
5.4.160.0030.07718.93
5.4.150.0170.06719.18
5.4.140.0130.03716.43
5.4.130.0070.04316.33
5.4.120.0130.06016.54
5.4.110.0130.06316.46
5.4.100.0070.07716.54
5.4.90.0170.06016.46
5.4.80.0130.06716.30
5.4.70.0100.06016.58
5.4.60.0070.06016.54
5.4.50.0100.06716.38
5.4.40.0070.06316.34
5.4.30.0070.07316.53
5.4.20.0070.07016.52
5.4.10.0070.07016.56
5.4.00.0000.07015.77
5.3.290.0030.04014.67
5.3.280.0100.07714.73
5.3.270.0070.04714.69
5.3.260.0070.07714.60
5.3.250.0100.07014.83
5.3.240.0100.06714.61
5.3.230.0130.06314.45
5.3.220.0070.07014.66
5.3.210.0100.04014.60
5.3.200.0170.03714.42
5.3.190.0070.06314.70
5.3.180.0100.07314.64
5.3.170.0070.07314.52
5.3.160.0130.06714.79
5.3.150.0000.05714.55
5.3.140.0170.03314.63
5.3.130.0030.05014.50
5.3.120.0000.05314.63
5.3.110.0130.06714.54
5.3.100.0030.07714.04
5.3.90.0100.07714.04
5.3.80.0070.07314.02
5.3.70.0070.08014.04
5.3.60.0070.06714.01
5.3.50.0070.07014.02
5.3.40.0000.08013.80
5.3.30.0100.07313.99
5.3.20.0030.07713.70
5.3.10.0130.06313.52
5.3.00.0130.04713.77
5.2.170.0130.05312.57
5.2.160.0030.05312.57
5.2.150.0100.05312.57
5.2.140.0100.05012.57
5.2.130.0000.06312.57
5.2.120.0030.05312.57
5.2.110.0100.05312.57
5.2.100.0070.05712.57
5.2.90.0130.05312.57
5.2.80.0070.06312.57
5.2.70.0100.05012.57
5.2.60.0030.06012.57
5.2.50.0100.05712.57
5.2.40.0100.05712.57
5.2.30.0070.06012.57
5.2.20.0030.06312.57
5.2.10.0070.06012.57
5.2.00.0100.05712.57
5.1.60.0100.04712.57
5.1.50.0070.05312.57
5.1.40.0070.05312.57
5.1.30.0030.03312.57
5.1.20.0030.05712.57
5.1.10.0030.05712.57
5.1.00.0030.04712.57
5.0.50.0070.03712.57
5.0.40.0070.04012.57
5.0.30.0070.06012.57
5.0.20.0070.04012.57
5.0.10.0000.04712.57
5.0.00.0000.04312.57
4.4.90.0000.04012.57
4.4.80.0030.03712.57
4.4.70.0030.03312.57
4.4.60.0070.01012.57
4.4.50.0000.03012.57
4.4.40.0030.05312.57
4.4.30.0030.03712.57
4.4.20.0130.01012.57
4.4.10.0000.03712.57
4.4.00.0070.04312.57
4.3.110.0000.03712.57
4.3.100.0000.03312.57
4.3.90.0030.03312.57
4.3.80.0030.05012.57
4.3.70.0000.03712.57
4.3.60.0000.03712.57
4.3.50.0070.03012.57
4.3.40.0000.05712.57
4.3.30.0030.02712.57
4.3.20.0000.02712.57
4.3.10.0030.02312.57
4.3.00.0000.03312.57

preferences:
56.37 ms | 400 KiB | 5 Q