3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array(); var_dump(array_keys($array)); var_dump(array_combine($array, $array));

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)
8.3.40.0070.00718.54
8.3.30.0140.00418.75
8.3.20.0090.00920.13
8.3.10.0000.00821.64
8.3.00.0080.00017.78
8.2.170.0040.01122.96
8.2.160.0160.00320.21
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0070.00026.16
8.2.120.0050.00321.09
8.2.110.0060.00322.08
8.2.100.0100.00317.59
8.2.90.0050.00319.13
8.2.80.0040.00417.97
8.2.70.0000.00817.63
8.2.60.0060.00317.90
8.2.50.0000.01018.07
8.2.40.0090.00018.09
8.2.30.0000.00717.83
8.2.20.0050.00217.48
8.2.10.0040.00417.92
8.2.00.0060.00317.59
8.1.270.0040.00423.83
8.1.260.0040.00426.35
8.1.250.0110.00628.09
8.1.240.0040.00824.01
8.1.230.0070.00719.21
8.1.220.0070.00017.74
8.1.210.0080.00018.77
8.1.200.0070.00417.22
8.1.190.0040.00417.00
8.1.180.0040.00418.10
8.1.170.0080.00018.50
8.1.160.0000.00721.84
8.1.150.0020.00518.72
8.1.140.0070.00017.45
8.1.130.0070.00017.74
8.1.120.0050.00217.43
8.1.110.0070.00017.36
8.1.100.0030.00317.26
8.1.90.0070.00017.34
8.1.80.0000.00717.40
8.1.70.0040.00417.39
8.1.60.0040.00417.50
8.1.50.0040.00417.48
8.1.40.0000.00817.50
8.1.30.0050.00317.42
8.1.20.0020.00517.48
8.1.10.0030.00517.48
8.1.00.0040.00417.39
8.0.300.0080.00018.77
8.0.290.0000.00716.63
8.0.280.0030.00318.38
8.0.270.0040.00417.19
8.0.260.0030.00317.24
8.0.250.0000.00716.92
8.0.240.0040.00416.85
8.0.230.0030.00616.76
8.0.220.0000.00716.77
8.0.210.0030.00716.68
8.0.200.0070.00016.72
8.0.190.0000.00716.86
8.0.180.0030.00516.87
8.0.170.0040.00416.84
8.0.160.0050.00316.95
8.0.150.0030.00316.78
8.0.140.0030.00416.76
8.0.130.0000.00813.20
8.0.120.0000.00716.79
8.0.110.0040.00416.78
8.0.100.0080.00016.77
8.0.90.0000.00816.80
8.0.80.0070.01116.76
8.0.70.0000.00816.78
8.0.60.0000.00716.74
8.0.50.0070.00016.84
8.0.30.0150.00316.89
8.0.20.0090.01017.40
8.0.10.0000.00716.96
8.0.00.0120.00516.82
7.4.330.0060.00015.02
7.4.320.0070.00016.52
7.4.300.0000.00616.47
7.4.290.0030.00316.52
7.4.280.0030.00316.45
7.4.270.0030.00316.44
7.4.260.0030.00316.39
7.4.250.0040.00416.35
7.4.240.0000.00716.42
7.4.230.0070.00016.45
7.4.220.0120.00916.50
7.4.210.0030.01616.39
7.4.200.0030.00316.31
7.4.160.0100.00716.37
7.4.150.0110.00817.40
7.4.140.0080.00917.86
7.4.130.0140.00316.50
7.4.120.0060.01116.42
7.4.110.0030.01316.43
7.4.100.0080.00816.25
7.4.90.0030.01416.30
7.4.80.0140.00219.39
7.4.70.0040.01316.27
7.4.60.0180.01116.34
7.4.50.0080.00016.14
7.4.40.0130.00616.34
7.4.30.0080.00816.41
7.4.00.0030.01114.73
7.3.330.0040.00213.00
7.3.320.0030.00312.96
7.3.310.0030.00316.16
7.3.300.0030.00316.11
7.3.290.0000.01516.13
7.3.280.0080.00816.10
7.3.270.0110.00717.40
7.3.260.0100.01316.34
7.3.250.0100.00616.27
7.3.240.0060.01216.34
7.3.230.0000.01616.48
7.3.210.0120.00916.05
7.3.200.0150.01219.39
7.3.190.0030.01316.09
7.3.180.0080.01116.21
7.3.170.0090.00616.27
7.3.160.0100.00616.11
7.3.120.0070.00914.75
7.3.110.0030.01514.88
7.3.100.0000.01314.49
7.3.90.0100.00014.42
7.3.80.0000.00914.66
7.3.70.0000.01314.48
7.3.60.0080.00014.61
7.3.50.0060.00914.63
7.3.40.0000.01414.38
7.3.30.0040.00814.55
7.3.20.0040.01216.68
7.3.10.0050.00616.41
7.3.00.0060.00816.30
7.2.330.0070.01016.43
7.2.320.0040.01316.24
7.2.310.0070.01016.34
7.2.300.0030.01416.41
7.2.290.0160.00016.55
7.2.250.0090.00614.88
7.2.240.0040.01415.07
7.2.230.0100.00614.95
7.2.220.0040.00814.77
7.2.210.0060.00615.11
7.2.200.0000.01315.05
7.2.190.0000.01314.79
7.2.180.0000.01614.96
7.2.170.0030.00614.94
7.2.130.0040.00716.22
7.2.120.0060.00316.28
7.2.110.0060.00616.32
7.2.100.0080.00415.93
7.2.90.0000.00816.21
7.2.80.0080.00616.21
7.2.70.0060.00616.60
7.2.60.0040.00816.68
7.2.50.0160.00816.23
7.2.40.0090.00616.45
7.2.30.0120.00816.34
7.2.20.0100.01016.36
7.2.10.0150.00316.21
7.2.00.0120.00517.78
7.1.330.0070.00715.66
7.1.320.0040.00715.55
7.1.310.0030.00715.59
7.1.300.0120.00015.61
7.1.290.0060.00615.46
7.1.280.0000.00815.67
7.1.270.0040.00815.68
7.1.260.0030.01215.41
7.1.250.0030.00715.28
7.1.100.0060.00618.11
7.1.70.0000.00816.80
7.1.60.0030.02019.40
7.1.50.0110.01116.92
7.1.00.0000.08022.54
7.0.200.0000.00816.73
7.0.140.0000.07722.21
7.0.60.0070.03719.90
7.0.50.0130.07017.77
7.0.40.0130.08320.40
7.0.30.0230.07020.13
7.0.20.0400.07020.09
7.0.10.0030.04320.16
7.0.00.0030.05320.01
5.6.280.0070.06720.77
5.6.210.0070.07720.47
5.6.200.0100.07318.22
5.6.190.0000.09320.57
5.6.180.3230.04320.43
5.6.170.0130.05020.52
5.6.160.0030.05020.46
5.6.150.0000.04318.11
5.6.140.0130.07718.18
5.6.130.0100.07718.11
5.6.120.0070.03721.02
5.6.110.0030.04721.13
5.6.100.0170.04720.97
5.6.90.0030.04321.09
5.6.80.0100.08020.43
5.5.350.3930.04020.38
5.5.340.0100.07717.98
5.5.330.0030.07020.38
5.5.320.3700.04320.32
5.5.310.0270.08020.26
5.5.300.0000.04018.02
5.5.290.0030.09017.89
5.5.280.0100.04320.86
5.5.270.0000.04320.71
5.5.260.0070.04020.87
5.5.250.0070.05020.68
5.5.240.3070.04320.15
5.4.450.3800.03019.54
5.4.440.3830.04719.11
5.4.430.3770.03319.45
5.4.420.3970.04019.58
5.4.410.4670.03319.08
5.4.400.4170.03719.22
5.4.390.4230.04319.04
5.4.380.3500.04019.06
5.4.370.3370.03718.79
5.4.360.3730.03718.88
5.4.350.3600.03319.08
5.4.340.3570.04319.13
5.4.320.4430.04719.23
5.4.310.4430.03719.09
5.4.300.3530.04319.05
5.4.290.3800.03319.16
5.4.280.0100.05019.05
5.4.270.0100.06718.91
5.4.260.3970.02019.07
5.4.250.3570.03318.87
5.4.240.4670.03319.09
5.4.230.4000.03719.24
5.4.220.3700.03718.80
5.4.210.3970.03719.13
5.4.200.4230.03718.78
5.4.190.3830.03019.23
5.4.180.0070.07718.88
5.4.170.2330.05318.91
5.4.160.4000.03318.79
5.4.150.3870.04018.91
5.4.140.3830.04016.27
5.4.130.4070.03716.28
5.4.120.3570.03716.37
5.4.110.4330.04016.34
5.4.100.4200.03716.34
5.4.90.3300.03316.39
5.4.80.4030.05016.29
5.4.70.4130.03716.29
5.4.60.3300.04016.36
5.4.50.3600.05016.38
5.4.40.3670.02716.45
5.4.30.3270.03316.46
5.4.20.4100.03716.45
5.4.10.3870.03316.18
5.4.00.3830.03315.74
5.3.290.4430.02714.56
5.3.280.4500.04014.43
5.3.270.0100.07314.48
5.3.260.3400.04014.43
5.3.250.3770.03714.46
5.3.240.3500.04014.53
5.3.230.3730.04014.45
5.3.220.4000.03014.40
5.3.210.3530.04314.40
5.3.200.4530.04714.54
5.3.190.3530.04314.65
5.3.180.4070.04014.46
5.3.170.3530.03714.43
5.3.160.4130.04314.39
5.3.150.3500.04014.46
5.3.140.3330.03314.40
5.3.130.3200.04014.37
5.3.120.3730.03714.40
5.3.110.4100.04014.52
5.3.100.3770.03713.98
5.3.90.3900.03013.96
5.3.80.3770.03713.98
5.3.70.3930.03713.92
5.3.60.3370.03314.03
5.3.50.3630.03714.03
5.3.40.4030.04013.97
5.3.30.3670.04013.85
5.3.20.3930.03013.54
5.3.10.3730.03313.70
5.3.00.3100.03713.62
5.2.170.3170.03012.02
5.2.160.3200.02312.02
5.2.150.3270.02712.02
5.2.140.3230.02712.02
5.2.130.3000.02712.02
5.2.120.3170.03012.02
5.2.110.3000.02712.02
5.2.100.2930.03312.02
5.2.90.3270.02712.02
5.2.80.3070.02712.02
5.2.70.3370.02712.02
5.2.60.3170.03312.02
5.2.50.2630.03012.02
5.2.40.2500.03012.02
5.2.30.2370.03012.02
5.2.20.2700.02312.02
5.2.10.2630.03012.02
5.2.00.2670.02712.02
5.1.60.2330.02312.02
5.1.50.2370.02312.02
5.1.40.2700.02712.02
5.1.30.2700.02712.02
5.1.20.2770.03312.02
5.1.10.2400.02312.02
5.1.00.2800.02312.02
5.0.50.1370.02012.02
5.0.40.0830.03012.02
5.0.30.1670.02712.02
5.0.20.1270.01712.02
5.0.10.1370.02012.02
5.0.00.1270.03012.02
4.4.90.1300.01712.02
4.4.80.1430.02312.02
4.4.70.1170.01712.02
4.4.60.1370.01712.02
4.4.50.1500.01312.02
4.4.40.1230.02312.02
4.4.30.1200.01312.02
4.4.20.1500.01712.02
4.4.10.1500.01012.02
4.4.00.1330.02712.02
4.3.110.1430.02012.02
4.3.100.1470.01712.02
4.3.90.1470.02012.02
4.3.80.1300.02312.02
4.3.70.1400.01712.02
4.3.60.1130.01712.02
4.3.50.1300.01312.02
4.3.40.1600.02712.02
4.3.30.0770.01012.02
4.3.20.0700.01712.02
4.3.10.0970.02312.02
4.3.00.0930.02012.02

preferences:
37.7 ms | 400 KiB | 5 Q